Electronics MCQ

Measurement of RLC Using Bridge Circuits MCQ || Measurement of RLC Questions and Answers

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1. For measurement of mutual inductance, we can use Anderson bridge Maxwell’s bridge Heaviside bridge None of these   2. The test used to locate high resistance faults in low resistance conductor circuit is: Hopkinson’s test Murray loop test Star/delta loop test Open circuit test   3. Insulation resistance of a cable can be measured …

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Indicating Instruments MCQ – Indicating Instruments Questions and Answers

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1. The type of damping used for moving iron instruments is ______ Air friction damping Fluid friction damping Eddy current damping Gravity friction damping   2. The pressure coil of a dynamometer type wattmeter is Highly inductive Highly resistive Purely resistive Purely inductive   3. When the pointer of an indicating instrument is in motion, …

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Shunts and Multipliers MCQ || Shunts and Multipliers Questions and Answers

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1. A galvanometer may be converted into ammeter or voltmeter. In which of the following cases the resistance of the device will be the largest? An ammeter of range 10 A A voltmeter of range 5 volt An ammeter of range 5 A A voltmeter of range 10 V   2. Range of an electrical …

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Extension of Instrument Range MCQ || Extension Ranges of Basic Meters Questions and Answers

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1. A galvanometer may be converted into ammeter or voltmeter. In which of the following cases the resistance of the device will be the largest? An ammeter of range 10 A A voltmeter of range 5 volt An ammeter of range 5 A A voltmeter of range 10 V   2. Range of an electrical …

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Types of Oscilloscope MCQ || Types of cathode Ray Oscilloscope Questions and Answers

CRO, Electrical Measurement MCQ, Electronics MCQ / By

1. The role of CRT is to ______ Emit electrons Emit protons Emit neutrons Emit alpha particles   2. The delay line used in a CRO to ______ Boost the signal Distort the signal Provide signal delay For stability   3. Delay line is essential in a CRO, to ensure that Vertical signal starts after …

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Electrostatic Voltmeter MCQ || Electrostatic Voltmeter Questions and Answers

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1. Electrostatic-type instruments are primarily used as: Wattmeters Ohmmeters Voltmeters Ammeters   2. The electrostatic instrument can measure AC voltage only DC voltage Only Both AC and DC voltage AC and DC current   3. Statement (I): Electrostatic Wattmeter is not widely used commercially because of its inability to measure the power of high value. …

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Front Panel Controls of CRO MCQ || Front Panel Controls of CRO Questions and Answers

CRO, Electrical Measurement MCQ, Electronics MCQ / By

1. Front panel of a CRO has ______ 4 sections 8 sections 15 sections 20 sections   2. ______ is used to shift the inputs in CRO. Position Knob X10 Knob Alternate Knob Any of the above   3. What is the role of the intensity section in a CRO? Decreases the light intensity Controls …

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Cathode Ray Oscilloscope MCQ || Cathode Ray Oscilloscope Questions and Answers

CRO, Electrical Measurement MCQ, Electronics MCQ / By

1. Horizontal input to a scope is Emsin(ωt) V, vertical input to that scope is Emsin(ωt + 30°) V. What is the Lissajous pattern in that CRO? A. B.  C. D.   2. CRO stands for __________ Cathode Ray Oscilloscope Current Resistance Oscillator Central Resistance Oscillator Capacitance Resistance Oscilloscope   3. Aquadag coating is most …

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Sampling Oscilloscope MCQ || Sampling Oscilloscope Questions and Answers

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1. The sampling technique in sampling oscilloscope _____ the signal frequency. Increase Slow Down Increase or Decrease None of the above   2. The sampling oscilloscopes are used for analyzing _____ High-frequency Signal Low-frequency signal High Power signal Low Power Signal   3. The measuring range of high frequency in sampling oscilloscope is in order …

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Digital Storage Oscilloscope MCQ || Digital Storage Oscilloscope Questions and Answers

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1. A digital storage oscilloscope has _________ 3 modes 2 modes 4 modes 5 modes   2. _________ stores the captured input signal in a digital mode and displays the signal without further processing. Delay time base oscilloscope Dual Beam Oscilloscope Digital storage Oscilloscope Dual Trace Oscilloscope   3. In Digital storage Oscilloscope  ______ method …

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