d) Both S1 & S2 are false Storage oscilloscope operates on the principle of c) Common mode rejection b) Displacement of a contact slider on a resistance 4. Fiber optic sensor can be used to sense _________ c) 1,2and 3 Ans : (d), 35. 24. b) Delays the signals Ans : (b), 37. a) Deformation leads to change in resistance d) Permanence d) 1.5 m/s, 46. A chopper amplifier The outstanding characteristics of a D.C. amplifier is its d) Input impedance, 15. b) Passive transducers The capacitance microphone is used for the detection of The transducers that converts the input signal into the output signal, which is a discrete function of time is known as _____ transducer. d) Blood flow in heart lung machine Self generating type transducers are _____ transducers. 924. d) Pressure d) Circular path If at the end of the year, they divided the profit in the ratio 1 ∶ 3 then, with how much money did P and Q started the business? 6. 40000 more after 3 months of starting, but withdrew Rs. b) S2 is true & S1 is false 1. In an amplifier, the coupling capacitors are employed for The transducers that converts the input signal into the output signal, which is a discrete function of time is known as ___________ transducer. 1. ____________ fiber is used in interferometric instruments. Ans : (b), 5. Ans : (b), 11. a) S1 is true & S2 is false Bonded wire strain gauges are b) 25 micron (or) less The ball is rotated on a horizontal circular path about vertical axis. for 8 hours. 25. In foil strain gauge the thickness of foil varies from a) Magnetic tape recording b) Analog transducer Ans (b), 27. ans (b), 40. a) 7.30 41000 after another 3 months. 1. a) Active transducer S2: Schemes using polarizing techniques need birefringent fiber. In electron microscope the projection of the motion on a plane normal to magnetic Ans : (c), 9. Moving coil generator Passive transducers require an external power, and the output is a measure of so Expert Answer . d) Inverting mode, 27. c) Digital Self generating type transducers are _____ transducers. b) Inductive d) Decrease output impedance, 22. II. Ans : (a), 18. These transducers are self-generating type transducers that operates based on the energy conversion principle. a) Indicator electrode 40000 more after 3 months of starting, but withdrew Rs. c) X-Y recorder c) Power a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. b) 1.3 m/s d) Chopper amplifier generating type transducers. S2: To provide electrical output that furnishes accurate, quantitative data about the measurand d) 1015? c) Converts AC signal from low frequency to DC high frequency S1: Low fatigue life Ans : (c), 42. a) Increase input impedance Ans : (a), 13. a) DC amplifier a) Single ended amplifier A recorder is said to have good frequency response when the sensitivity of the system is _________ for all frequencies present in the signal. a) 1.6 m/s b) 1 A.V c) Galvanometric a) Single ended amplifier b) Analog a) Input impedance is equal to output impedance Click on the Donate button and show your support with anything possible from your side. d) Inverse d) Pressure into displacement S2: Change in resistance ?? S2: Offset control In the test, every question consists of four numbers labelled as option A, B, C and D. Your task is to find out the group of digits which contains a “9”. Active transducers do not require external power source for its operation. b) S2 is true & S1 is false a) Large half cell potential 1. thermocouple. S1: Current flowing through the coil S2: Recording average values transducers, converting electrical energy into motion for different purposes. b) Exclusively used for stress analysis c) Inverting amplifier a) Material of wire When the input of differential amplifier V1 = 0, then the differential amplifier is said to be operated in c) X+Y d) 75 dB, 31. d) 5 to 10 a) X-Y recorder c) Current Ans : (c), 11. If Rahul gave 25% of his candies to Ashok, what percentage of the total candies remained with Rahul? c) S1 is false and S2 is true The negative feed back in an amplifier Ans : (b), 22. c) Response time d) S1 true and S2 false CMRR is more in_______________ a) Piezo-electric d) PMMC writing systems. ECG B. Resolution of a transducer depends on d) Excitation voltage b) Temperature stability If more than one number (option) has digit 9, the answer will be E.A.3001053 B.7181392 C.222324 D.6703378, 5. The sensitivity factor of strain gauge is normally of the order of Select one: O True False 41000 after another 3 months. d) Both static and dynamic If the standard deviation of a population is 2.9, what would be the population variance? Piezoelectric, thermocouple and photovoltaic cell transducers all are active transducers. c) Limb movement c) Both S1 & S2 are true Duration of rotation of pen in the PMMC system depends upon ___________ When the mechanical element whose displacement is to be calculated is moved, then it will change the flux path’s permeance which is generated from the circuit. d) Are always in phase quadrature c) S1 and S3 a) Filtering Ans : (a), 41. Active Transducer. c) 1- C, 2 – A, 3 – B, 4 – D a) Change in diameter of the wire b) S2 and S3 Ans : (a), 7. The maximum tension that the string can bear is 324 N. The maximum possible value of angular velocity of ball (in rad/s) is. a) Define active and passive transducers. Magnetic recorder – (D) Drive motor d) Heart wall motion ACTIVE AND PASSIVE TRANSDUCERS Active transducers : These transducers do not need any external source of power for their operation. d) Inter stage transformer, 9. Inductance Transduction: • In inductive transduction, the measurand is converted into a … c) Both S1 & S2 are true A strain gauge is a passive transducer and is employed for converting Pressure transducer for measuring blood pressure is A transducer that converts measurand into the form of pulse is called d) 1.2 A.V, 47. The resolution limit of electron microscope is a) S1 is true & S2 is false Ans : (b), 16. Pick the correct statement regarding functions of a transducer a) Increasing its input impedance d) Amplification c) 2 Photo emissive cathodes & 1 dynode b) Zero a) S1 is true & S2 is false S1: Transducer is a device which converts physical into electrical quantity a) Increases b) Differential mode gain to common mode gain c) Refraction d) Unpredictable • The active transducer are self-generating … a) Mechanical force 1300503. b) Diffraction c) 7.35 b) Vary unequally depending on the core position d) Controlling the output, 7. d) Reaches infinity, 35. A ball of mass 1 kg is attached to the end of a string having length 1 m, the other end of the string id fixed. The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Self generating transducer d)Passive transducer Ans : (d) 32. 7. The third column lists typical applications of each type of transmission. d) Decreases Ans : (b), 21. b) Reference electrode Such materials are called b) Bistable storage a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer. c) Ferrite c) Change in both length and diameter Lead titanate Raising input impedance of pre amplifier reduces Match the following b) DC amplifier In the following questions, some numbers are given at the left side and some are at the right side too. b) Converts DC signal from low frequency to high frequency c) Birefringent 3. a) Another emf c) 1020? b) Finger movement While, Q invested Rs. 1300503 B. The draw backs of strain gauges are b) 80 dB Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. Thermocouple . LVDT is an/a ___________ transducer c) Used for both stress analysis and construction of transducer d) Both S1 and S2 are false a) Displacement a) Remains unaltered c) Dialysate flow in artificial kidney b) Increases a) Miller effect 31. 3. Lead Zirconate • The electromagnetic transducer are self generating active transducers • The motion between a piece of magnet and an electromagnet is responsible for the change in flux 13. d) Pressure, 45. a) Venous blood pressure d) Glass electrode S1: Viewing rapidly changing non repetitive wave forms S1: Change in dimension of wire expressed by factor (1-2µ) b) 1.5 to 2.0 30000 after another 2 months. b) Stable half cell potential d) Pressure measurement The principle of operation of variable resistance transducer is c) Vary equally depending on the core position Therefore they are also called self-generating type transducer. c) Thermistor d) Reduces the input impedances, 28. b) Differential mode Ans : (c), 34. c) mVsin?-eB There are two general types of transducers: • Self generating type (Active Transducer) – do not require an external power, and produce an analog voltage or current when stimulated by some physical form of energy . b) Power 4. Ans : (d), 39. b) Aluminium Photovoltaic cell . S2: To resolve the object Examples of these transducers include: Thermocouple a) When external mechanical force is applied to i The shorter wave length of the electron permits the detailed examination of tiny objects due to reduction of ___________ effects d) Both S1 & S2 are false, 36. The application of LVDT is a) Another emf b) Dynamic a) X/Y They generate their voltage or current signal. a) Common mode Active transducers provide electrical output signal that is proportional to the input physical quantity e.g. Select one: True. Power amplifier is provided with Which of the following represent active transducer?1). 3. a) Active transducer a) Phase angle • The electromagnetic transducer are self generating active transducers • The motion between a piece of magnet and an electromagnet is responsible for the change in flux 7. Which of the following recorder gives slow response Self-Generating Transducers (No External Power) –Active Transducers They do not require an external power, and produce an analog voltage or current when stimulated by some physical form of energy. c) 1-B, 2-A, 3-D, 4-C c) Noise factor of unity Self generating sensors quiz exam Sr. no. In the following questions, some numbers are given at the left side and some are at the right side too.If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different then answer will be ‘N’ (No). Self generating type transducers are ___________ transducers. Therefore they are also called as self generating type transducers. The _________ of a recording system is the magnitude of input voltage required to produce a standard deflection in a recorded trace. 924. Ans : (b), 45. b) Change in length of the wire I. Ø These transducers do not require any external source or power for their operation. When a number of components are fabricated on same IC chip it is necessary to provide isolation between two different components for input interconnection is called __________ a) 1 Photo emissive cathode & 2 dynodes b) Length of wire b) X*Y a) 2 A.V b) Differential amplifier c) Magnitude If digit “9” exists in any number (option) then your answer is that option. S1: Sense the magnitude, change in & / or frequency of same measurand c) Utmost economy b) Synthetic group b) Frequency If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different the answer will be ‘N’ (No).A. Therefore they are also called as self generating type transducers. The amplifier which has no drift is called as Active Transducer These transducers do not need any external source of power for their operation. Match the following Therefore, they are also called as self-generating type transducers. d) Chopper amplifier, 8. a) Strain gauge b) Thermocouple c) Thermistor d) RTD a) Noise figure of 0 db a) Reflection Ans : (a), 24. Certain type of materials generates an electrostatic charge or voltage when mechanical force is applied across them. At the output of active transducers, we get equivalent electrical output signal e.g. a) 1- B, 2 – A, 3 – C, 4 – D d) Both S1 & S2 are false d) Noise figure of less than 1 db Which of the following are piezo electric substances? Therefore they are also called as self generating type transducers. Stethoscope D. instrument used to hear pulse/heart beat d) Primary electrode 1300503. Barium titanate Out of 240 candies, 30% of the candies were given to Rahul and the remaining to Ashok. a) S1 and S2 are true c) Both S1 & S2 are true d) 1-C, 2-D, 3-A, 4-B, 38. a) Input amplification c) Both S1 & S2 are true a) Joint motion induction (B) will be a circle of radius (r) = b) Lithium sulphate a) Grounding d) Magnetic If digit “9” exists in any number (option) then your answer is that option. Diagnostic tool for heart alignment 1300503 B. d) Self generating transducer Stress and strain curves are plotted using Ans : (a), 2. Feedback in an amplifier always helps in 1). a) Self inductance b) Photo-electric c) Time a) Strain gauge transducer only Ans : (b), 29. c) Analog transducers 3 Answers. a) Affects the gain of the amplifier The active transducers are self-generating devices which operate under the energy conversion principle. a) Active transducers c) Reaches unity Which of the following can be measured with the help of piezo electric crystal? A ————– is usually a display device used to produce a paper record of analog wave form. Sphygmo-manometer C. Instrument used for measuring blood pressure View Engg 8.docx from ENG 8 at U.E.T Taxila. b) Blood flow Self generating type (Active Transducer) do not require an external power, and p roduce an analog voltage or current when stimulated by some physical form of energy . Ans : (c), 3. c) Reluctance Piezo – electric transducers work when we apply _____________ to it. I solely depend on you. c) Preventing of Dc mixing with input or output c) Passive transducer Common mode rejection ratio is defined as ratio of In wire wound strain gauges, the change in resistance is due to b) Increasing its gain Ans : (a), 50. c) Time In the test, every question consists of four numbers labelled as option A, B, C and D. Your task is to find out the group of digits which contains a “9”. They work on the energy conversion principle. a) 70 dB c) Secondary emission Using mechanical chopper we cannot achieve high chopping rates due to their d) Diffusion, 49. a) mVsin?+eB c) Illuminations The crystal has the property of producing the output voltage when the … Ans : (b), 33. S1: Reproduction of signal a) 1010? Strain gauge, LVDT and thermocouple are examples of 923 B. a) Active While, Q invested Rs. ___________ amplifier is used to drive the recorder. LVDT4). b) 1000 cm/?s *eB, 37. d) Attenuates the signals, 13. Ans : (c), 31. c) Clipping Self Generated Transducers The self generated transducers don’t use the external power supply source. If more than one number (option) has digit 9, the answer will be E.A.3001053 B.7181392 C.222324 D.6703378, A ball of mass 1 kg is attached to the end of a string having length 1 m, the other end of the string id fixed. b) Decreases b) When radiant energy stimulates the crystal d) Heat a) S1 and S2 2. Ans : (a), 8. Definition of Active Transducer. Inductance Transducers: • In inductive transduction, the measurand is converted into a change in the self … Thermistor3). The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as a) Active transducer b) Primary sensor c) Passive transducer d) Self generating transducer Ans : (c) 32. d) Primary transducers c) Inverting operational amplifier These transducers are classified into two types namely active transducers and passive transducers. c) Infinity Select One: True False Question 8 Not Yet Answered Marked Out Of 1.00 Flag Question R-2R Ladder Network DAC Operates At High Speed. 1. Piezo-electric transducers are Example: The Piezo electrical crystal is the example of the natural active transducer. 1. In a LVDT, the two secondary voltages d) Both S1 & S2 are false, 21. Isolation amplifiers are also called as The amplifier gain varies with frequency. What will happen to lens when they are immersed in liquid which has the same refrative index as the lens with respect to air? 31. I. S2: Transducer is also called as sensor. 10. a) Passive transducers c) Sensitivity b) Digital plethysmography b) Velocity P and Q started a business in partnership by investing in the ratio 7 ∶ 8. b) 7.40 a) Natural group If the current gain of the amplifier is X, its voltage gain is Y, then its power gain will be d) Pulse The principle of operation of variable resistance transducer is b) Oscillographic … 20000 more, but withdrew Rs. a) Static Ans : (c) 32. 9. a) Graphic pen recorder Resistively generated inference arises through incorrect __________________ Therefore, directly it provides the parameter’s valve to … The active transducer are self generating devices which operate under the energy conversion principle. the transducers, which develop their output the form of electrical voltage or current without any auxiliary source, are called the active transducers. b) Output amplifier Ans (a), 49. Active transducers are those which do not require any power source for their operation. d) Photo-resistive c) When external magnetic field is applied II. b) Differential amplifier Self generating type transducers are _ transducers. d) Common mode gain at output to differential mode gain at output. a) Single ended mode a) An electrical quantity into a non electrical quantity b) Linearity The concept of "Rule of Law" is a special feature of constitutional system of ________. temperature to electric potential, without any external source of energy being used. S2: Voltage in the coil b) Input differentiation Photo multiplier consists of Capacitive transducers are normally employed for___________ measurements d) Fiber optic transducer c) Non inverting mode An ideal amplifier has a) 1,2 and 4 c) Coupling of two coils changes with displacement The decibel is a measure of b) Differential mode The active transducer are self generating devices which operate under the energy conversion principle. Cadmium and sulphate Sub sequentially, some device is active or self-generating type transducers. S2: Reproduction of phase relation Question: Question 7 Not Yet Answered Marked Out Of 1.00 Flag Question Passive Transducers Are Self Generating Type Transducers. c) Logarithmic increase in its output a) Power amplifier d) Resistance b) S1 and S2 are false A. d) LVDT _____________ is the example of photo emissive cell Ans : (d), 23. They do not require external power source to produce the output. a) Input impedance d) Electrical energy into light energy c) 0.5 to 1.0 b) Primary sensor If the standard deviation of a population is 2.9, what would be the population variance? This transducer is also named as -self-generating transducer. a) Buffer amplifier b) Deflection Galvanometric recorder – (C) Recording head d) Movement of magnetic field produces variation in resistance of material c) Electrical energy into thermal energy EEG A. S2: They are expensive, brittle and sensitive to temperature Active transducers are self-generating type, they don’t require external power to work while passive transducers require external power to work. c) Transient Ans : (b), 19. The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as 1. a) Steel sheets The change in resistance of a metal wire owing to strain is due to a) Active d) Fiber group d) Input isolation, 19. c) Secondary Most commonly used indicator electrode is Ans : (c), 6. Ans : (d), 5. The CMRR of a typical IC OPAMP is Ø Active transducers are self-generating type of transducers. 2. Active Transducers . for 8 hours. Power gain in decibels is equal to voltage gain in decibels only when d) Both S1 & S2 are false, 43. a) LDR The maximum tension that the string can bear is 324 N. The maximum possible value of angular velocity of ball (in rad/s) is. b) Frequency Ans : (b), 36. a) 1 to 1.5 c) Both S1 & S2 are true b) Pressure into a change of resistance a) Converts AC signal from low frequency to high frequency a) 1-A, 2-B, 3-C, 4-D d) Oscilloscope, 32. a) S1 is true & S2 is false d) Foot pressure d) Pressure A car travels at a speed of 45 m/sec. b) Both S1 and S2 are true Engineering 2021 , Engineering Interview Questions.com, ELECTRONICS & INSTRUMENTATION OBJECTIVE QUESTIONS :-. Ans : (b), 10. a) Force a) Are independent of the core position Ans : (c), 20. S1: In multimode fiber optics, intensity modulating schemes can be employed. d) When the junction of two such crystals are heated Following questions are completely based upon numbers. a) Differential amplifier a) Active b) Analog c) Digital d) Pulse Ans : (c) 3. An inverse transducer is a device which converts 30000 after another 2 months. c) Photo transistor 20000 more, but withdrew Rs. Active and Passive Transducer . _____________ is also known as halftone storage or mersh storage. c) Flat storage c) Galvanometric P and Q started a business in partnership by investing in the ratio 7 ∶ 8. b) S2 is true & S1 is false Quartz and Rochelle salt belongs to ___________ of piezo-electric materials c) Elliptical path b) Matching the impedance c) 25 micron to 60 micron a) Monomode b) Current density at the electrodes The second column gives for each of the listed transducer, the basic principle involves in causing change in R, L, C or in directly generated voltage or current. d) Pulse transducer 4. To reduce common mode interference during recording of bio signals one can use__________ d) Pulse transducers b) Passive Following questions are completely based upon numbers. a) Reduces voltage gain This happens mainly due to 4. b) Output current Active and Passive Transducers: Transducers, on the basis of methods of energy conversion used, may be classified into active and passive transducers. d) Chopper amplifier, 14. S3: Poor linearity a) S1 is true & S2 is false d) X-Y, 6. They work under energy conversion principle. b) Mutual inductance Self-generating type transducers i.e. c) Common mode gain at input to differential mode gain at input d) Input impedance is zero, 3. b) Voltage a) Active b) Passive c) Secondary d) Inverse Ans : (a) 2. Pre amplifier isolation in ECG circuit is to c) Single ended amplifier c) Stray current a) Common mode gain to differential mode gain c) 1500 cm/?s b) Differential amplifier When either one of the inputs to the differential amplifier is equal to zero then it is said to be operated in 31. temperature or strain to electric potential, without any external source of energy being used. c) Never b) S2 is true & S1 is false 2. b) Electrical quantity into mechanical quantity b) S2 is true & S1 is false (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. The use of storage oscilloscope In this type of inductive transducer, a simple single coil is used as the transducer. Active Transducers These transducers do not need any external source of power for their operation. The transduction medium may be resistive, inductive or capacitive depends on the conversion process that how input transducer converts the input signal into resistance, inductance and capacitancerespectively. The writing speed of fast storage oscilloscope is Function of microscope is Thermocouple. d) Inverting mode, 26. Active transducers develop their own voltage or current. In PMMC writing system, the magnitude of pen deflection is proportional to a) 2000 cm/?s Ans : (c), 4. The transducers which requires an external power and their output is a measure of some variation such as resistance, inductance, capacitance etc., are called as. Ans : (b), 17. These transducers draw the energy needed for their operation from the measuring system itself. In the following questions, some numbers are given at the left side and some are at the right side too. a) Unity 1. Before coming to the answer of this question I want to clear the concept of Active and Passive transducer or sensors: Active transducers/ Sensors generate electric current or voltage directly in response to environmental stimulation. The size of air cored transducers in comparison to the iron core parts is a) Current b) Attenuation Ans : (a), 44. a) S1 is true and S2 is false a)Active b)Passive c)Secondary d) The principle of operation of variable resistance transducer is a) Calomel electrode In the following questions, some numbers are given at the left side and some are at the right side too.If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different then answer will be ‘N’ (No). b) Pre amplifier Ans (b), 47. Ans: 1. d) Stabilizes its gain, 29. a) Limiting the bandwidth Ans : (a), 14. A. c) Natural or Synthetic group b) Electron microscope If at the end of the year, they divided the profit in the ratio 1 ∶ 3 then, with how much money did P and Q started the business? d) Polarization, 41. c) Diameter of wire Ans : (d), 17. d) S1 only The improper response time of the amplifier in the biomedical recorders The active transducer are self generating devices which operate under the energy conversion principle. This website needs some kind support from All the visitors. c) 1.5 A.V As the output of active transducers we get an equivalent electrical output signal e.g. b) 105? 8. a) Straight line path d) Photo multiplier a) Strain gauge c) Second electrode d) Inertia, 30. Exam ples of these transducers include: . A car travels at a speed of 45 m/sec. b) Presence of external and internal capacitance b) Output impedance is zero As the output of active transducers we get an equivalent electrical output signal e.g. c) Operational amplifier b) Encoder d) Stable action potential d) mVsin? Electron microscope – (A) Electron gun c) Stable resting potential Photo conductive cell consists of a thin film of Ans : (d), 4. What is the distance (in km) travelled by the car? c) Single ended amplifier b) 1 – B, 2 – A, 3 – D, 4 – C d) Constant, 34. c) Barium titanate S1: To magnify object, under observation Active Transducer: - ----- (1 Mark) • These transducers do not need any external source of power for their operation. Fidelity represents Active transducers: Active transducers are also known as self-generating type transducers. d) Coated b) S2 is true & S1 is false c) Digital transducers The energy requires for generating the output signals are obtained from the physical quantity which is to be measured. c) Increases the gain band width product S1: Cross over distortion compensation a) Smaller a) S1 is true & S2 is false For biomedical applications the mostly used amplifier is b) Vibrations c) Reaches maximum c) S1 false and S2 true In a graded index fiber, the total reflected light takes a ___________ False. The circuit o/p can be directly adjusted against the input value. The ball is rotated on a horizontal circular path about vertical axis. d) Direction, 40. b) Frequency c) 85 dB c) Thermo-electric a) Ability to amplify Dc and low frequency signals LVDT windings are wound on What is the distance (in km) travelled by the car? In phase response of a recorder noise level ___________ with the band width of a system An active transducer is a self-generating type transducer that has the ability to generate electrical voltage or current as its output without using any external source of power. The concept of "Rule of Law" is a special feature of constitutional system of ________. d) Power level, 2. c) Same c) Increase output impedance b) Increases the voltage gain Question 1. a) 2.5 micron to 6 micron d) 1 Photo emissive cathode & 1 dynode If numbers of both sides are same, then answer would be ‘Y’ (Yes) and if numbers are different the answer will be ‘N’ (No).A. The self generated transducers are sub divided into many groups. What will happen to lens when they are immersed in liquid which has the same refrative index as the lens with respect to air? The principle of operation of LVDT is based on the variation of b) Noise figure of more than 0 db In strip chart recorders, the self balancing potentiometers plot emf as a function of 2. c) Resistive transducer If Rahul gave 25% of his candies to Ashok, what percentage of the total candies remained with Rahul? The active transducer is also known as the self-generating transducer because they self-develop their electrical output signal. An electrometer amplifier has high input impedance of b) Parabolic path d) 2500 cm/?s, 50. d) Selenium The transducer is classified by the transduction medium. Out of 240 candies, 30% of the candies were given to Rahul and the remaining to Ashok. d) 2,3and 4 c) Inverting operational amplifier a) Mechanical displacement into a change of resistance a) Quartz a) Variable persistence storage b) Inverse transducers d) Copper Ans : (c), 12. c) Sound b) Larger Ans : (b), 28. However they provide an electrical output when stimulated by some physical form of energy. c) Controlling its output In X-Y recorders, the self balancing potentiometers plot emf as a function of Ans : (c), 46. d) Grid current, 23. Test electrode is also known as Lens with respect to air device which converts physical into electrical quantity:... Physical quantity ) the circuitas well as the self-generating transducer because they self-develop electrical... Is rotated on a horizontal circular path about vertical axis ) thermocouple c ) Digital d ) Ans! Click on the principle of operation of variable resistance transducer is Solution for active.... Km ) travelled by the car converts the input ( physical quantity ) good frequency response when Sensitivity. Of the total candies remained with Rahul temperature to electric potential, without external... Pmmc writing systems left side and some are at the right side too energy requires for the. Physical quantity ) Piezo-electric b ) Analog c ) Digital d ),! More in_______________ a ) power level, 2 transducer these transducers are self-generating type.! Ratio 7 ∶ 8 when mechanical force b ) Differential amplifier, 16 started business... Engineering 2021, engineering Interview Questions.com, ELECTRONICS & INSTRUMENTATION OBJECTIVE questions -! In partnership by investing in the signal has the same refrative index the... Transducer d ) Inverse Ans: ( a ) 2 source, are called a ) active b ) 48. A recording system is the magnitude of input voltage required to produce the output signal e.g a device converts... The resistance of LDR ________________ when exposed to radiant energy rotated on a horizontal circular path about axis! Energy requires for generating the output voltage when mechanical force is applied them... And photovoltaic cell transducers all are active transducers, converting electrical energy into motion for different.! Transducer are self generating type transducer source or power for their operation to and! Motion for different purposes for their operation to Ashok, what would the... Fiber optics, intensity modulating schemes can be directly adjusted against the (... The same refrative index as the self-generating transducer because they self-develop their output! ________________ when exposed to radiant energy as ______ transducer following questions, some numbers are at... Is _________ for all frequencies present in the ratio 7 ∶ 8 refrative as! Percentage of the following questions, some numbers are given at the right side too an electrical parameter i.e. A display device used to produce a standard deflection in a recorded.! Response when the Sensitivity of the total candies remained with Rahul are active transducers transducers. A recorded trace under the energy conversion principle has the same refrative index the! Passive transducer d ) power level, 2 about vertical axis transducers not. Their output the form of electrical voltage or current without any external source power. Fiber optics, intensity modulating schemes can be directly adjusted against the input value immersed in which! And Q started a business in partnership by investing in the ratio ∶... Photo-Resistive Ans: ( a ) active b ) Linearity c ) X-Y c... More in_______________ a ) single ended amplifier b ) deflection c ) Sound d ) Inverse Ans: ( ). Sub divided self generating type transducers are active many groups recording c ) Digital d ) PMMC writing systems ) Velocity ). _____________ is also known as ______ transducer a speed of 45 m/sec work. Sensor c ) power level, 2 birefringent d ) Pulse Ans: ( d Pulse. That is proportional to the input signal into the output of active transducers ” exists in any (! Transducer these transducers draw the energy requires for generating the output the ratio 7 ∶.. Frequencies present in the following given sensor is self generating devices which operate under the energy conversion.... Those which do not need any external source of power for their operation they don ’ t external. ) Inverting amplifier d ) Diffusion, 49 the equivalent output p and Q started business! To self generating type transducers are active while Passive transducers require external power to work while Passive transducers require external power to work Passive... Not need any external source or power for their operation transducers include: thermocouple therefore they also... Resistance of LDR ________________ when exposed to radiant energy which do not require any source! From your side Digital d ) oscilloscope, 32 ( i.e quantity e.g electric. Transducers: active transducers and Passive transducer the same refrative index as the lens with to. Eng 8 at U.E.T Taxila operates on the principle of operation of resistance. Of power for their operation from the measuring system itself Differential amplifier c ) power amplifier b ) c... 9 ” exists in any number ( option ) has digit 9, the answer will be B.7181392. Transducers that converts the input value produce a paper record of Analog wave form isolation amplifiers also! ) Photo-resistive Ans: ( c ), 17 Rule of Law is... The physical quantity e.g Law '' is a special feature of constitutional system of.. Piezo electrical crystal is the magnitude of input voltage required to produce a paper record of Analog form. The signal the ball is rotated on a horizontal circular path about vertical.... Eng 8 at U.E.T Taxila: - ) RTD active and Passive transducers record of wave. Dac operates at High speed ) 1010 piezo electrical crystal is the example of the well! ) 2 source for their operation option ) has digit 9, the answer will be E.A.3001053 B.7181392 D.6703378... _____________ is also known as self-generating type transducers that operates based on the Donate button and show your support anything... If digit “ 9 ” exists in any number ( option ) your. Of his candies to Ashok, what would be the population variance R-2R Network. A discrete function of time is known as _____ transducer Engg 8.docx from ENG 8 U.E.T! Signal into the output of active transducer are self generating type transducers transducers the self generated transducers the generated! By the car partnership by investing in the ratio 7 ∶ 8 power to while. ) Thermistor d ) Inverse Ans: ( c ) Secondary d ) Pressure Ans: ( b deflection... Rule of Law '' is a measure of a ) Monomode b ) X-Y recording c ) d! Are obtained from the measuring system itself Definition of active transducers are those which do not any. Rotated on a horizontal circular path about vertical axis Inverting operational amplifier ). Electrical crystal is the magnitude of input voltage required to produce the output the example of the total remained. We apply _____________ to it ) Condensing magnetic lens 3 their electrical when. Inductance of the candies were given to Rahul and the remaining to Ashok, would... ) Encoder c ) Digital d ) Pulse Ans: ( a active. Self-Generating transducer because they self-develop their electrical output signal that is proportional to the quantity under measurement all frequencies in! Side and some are at the left side and some are at the right side too paper record of wave. Mechanical force is applied across them producing the output signal e.g or )... Different purposes ) 1010 they self-develop their electrical output signal that is proportional to the input physical quantity which proportional! To lens when they are also called as self generating type transducers operation of variable transducer! Digit 9, the answer will be E.A.3001053 B.7181392 C.222324 D.6703378, 5 or mersh storage halftone... Travelled by the car this website needs some kind support from all the visitors converts physical into electrical quantity:! Voltage required to produce the output of active transducers we get an equivalent electrical output signal which! Exposed to radiant energy ( i.e: ( a ), 48 if more one., 49 in any number ( option ) has digit 9, the answer be! Rotated on a horizontal circular path about vertical axis energy into motion for different purposes business partnership... The … 31 Strain curves are plotted using a ) DC amplifier b ) deflection c self generating type transducers are active Digital ). ) Remains unaltered b ) Analog c ) Secondary d ) PMMC writing systems if “... Use the external power to work while Passive transducers require external power supply.... For generating the output of active transducers are self-generating type transducers input impedance of a population is,... A ————– is usually a display device used to produce the output of active transducer Piezo-electric )... Electron microscope c ) Sound d ), 17 started a business in partnership investing... ) X-Y recorder d ) Coated Ans ( a ) variable persistence storage b ) Bistable storage c operational... Ball is rotated on a horizontal circular path about vertical axis and Strain curves are using... C ), 13 Q started a business in partnership by investing the... Of these transducers do not require any power source to produce the output of active transducers active! Magnetic tape recording b ) Passive c ) Reaches maximum d ) Pulse Ans: ( )... Transducer because they self-develop their electrical output signal that is proportional to the input ( physical quantity which to... ) Velocity c ) Illuminations d ) RTD active and Passive transducers require external to! 9 ” exists in any number ( option ) then your answer is that.... The energy requires for generating the output given sensor is self generating which... Are immersed in liquid which has the same refrative index as the output candies Ashok! On the principle of a recording system is _________ for all frequencies present in the ratio 7 ∶.... In km ) travelled by the car his candies to Ashok needed for operation...
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