Electrical and Electronics Measurements MCQ

Electrical and Electronics Measurements MCQ

  • Admin
  • 25th Aug, 2022

Take Electrical and Electronics Measurements MCQ Test & Online Quiz to test your Knowledge

Practice here the best  Electrical and Electronics Measurements MCQ Questions that check your basic knowledge of Electrical and Electronics Measurements. This Electrical and Electronics Measurements MCQ Test contains 20+ Multiple Choice Questions. You have to select the right answer to the question. Apart from this, you can also download here the Electrical and Electronics Measurements MCQ PDF, completely free.

Electrical and Electronics Measurements MCQ

1) Which of the following is the standard unit for length ?

  • A. Inch
  • B.Meter
  • C.Kilometer
  • D.Centimeter

2) The Metric System is also known as .......... .

  • A. MKS
  • B.CGS
  • C.SI
  • D.All of the above

3) There are ............ fundamental units.

  • A. 3
  • B.4
  • C.7
  • D.6

4) ............ is a variable displacement transducer.

  • A. potentiometer
  • B.tachometer
  • C.synchros
  • D.None of the above

5) Resolution of an instrument is ..........

  • A. the maximum quantity it can measure
  • B.the maximum non linearity
  • C.the minimum quantity it can measure
  • D.ability to distinguish polarity

6) Which of the following part is called as heart of CRO?

  • A. Sweep generator
  • B.Trigger circuit
  • C.CRT
  • D.Amplifier

7) Which of the following is the measurement range of digital voltmeter?

  • A. 1V to 1KV
  • B.1V to 1MV
  • C.1KV to 1MV
  • D.100 KV to 100MV

8) Which of the following is the advantage of passive instrument?

  • A. Accurate
  • B.Cheap
  • C.Sensitive
  • D.Power Supply Not Needed

9) The potential transformers are used to measure large voltage using -

  • A. High range ammeter
  • B.High range voltmeter
  • C.Low range voltmeter
  • D.Low range ammeter

10) A bridge circuit uses ........... method of measurement.

  • A. relative
  • B.absolute
  • C.comparison
  • D.differential

11) Which of the following is the main source of error in a null detector?

  • A. wiring resistance
  • B.power dissipation
  • C.lower current detection ability
  • D.insufficient sensitivity of the null detector

12) Does Kelvin bridge is used for measurement of low resistance due to contact and lead resistance?

  • A. Yes
  • B.No

13) Which of the following principles does megger works on?

  • A. kirchhoff’s law
  • B.Electromagnetic induction
  • C.Ohm’s law
  • D.Gauss’s law

14) Reciprocal of reluctance is

  • A. Henry
  • B.Henry/meter
  • C.meter/Henry
  • D.All of these

15) Who discovered that a current-carrying conductor would move when placed in a magnetic field?

  • A. Gustav Robert Kirchhoff
  • B.Hans Christian Orested
  • C.Michael Faraday
  • D.Andre Ampere

16) What is the reading of a fully charged lead-acid battery?

  • A. 1.025-1.075
  • B.1.050-1.350
  • C.1.050-1.350
  • D.1.280-1.300

17) A portable instrument is like to

  • A. Gravitational damping
  • B.Eddy-current damping
  • C.Pneumatic damping
  • D.Fluid friction damping

18) To measure the voltages and currents in the radio frequency range, suitable instrument is

  • A. moving iron type
  • B.moving coil type
  • C.electro-thermic type
  • D.electrostatic type

19) In a moving iron type ammeter, the coil has

  • A. few turns of thick wire
  • B.few turns of thin wire
  • C.large number of turns of thin wire
  • D.large number of turns of thick wire

20) 132 kV AC voltage can be measured by

  • A. moving iron voltmeter
  • B.electro static voltmeter
  • C.moving coil voltmeter
  • D.hot wire voltmeter

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