Electrical And Electronic Measurement MCQs

Question 1

Transistor voltmeter is a highly sensitive instrument and can be used for the measurement of

Accepted Answer

voltage and current

Answer

energy

Answer

power

Answer

dc voltages only

Question 2

A radio frequency (RF) probe in transistor voltmeter used for the measurement of

Accepted Answer

low resistances

Answer

high resistances

Answer

low frequency voltages high frequency voltages

Question 3

Transistor voltmeter is a

Accepted Answer

moving coil instrument

Answer

dynamometer type instrument

Answer

moving iron instrument

Answer

none of these

Question 4

Which of the following instruments may be used to measure very high frequency small curent?

Accepted Answer

Thermocouple type instrument

Answer

Induction type instrument

Answer

Moving coil galvanometer

Answer

Electrodynamic ammeter

Question 5

The resolution of DVM with 4 digit display is

Accepted Answer

-10000

Answer

1/4

Answer

1/10001

Answer

1%

Question 6

The Lissajous pattern obtained on a CRO is used to determine

Accepted Answer

phase shift and frequency

Answer

amplitude of applied signal

Answer

current in a circuit

Answer

distortion in a system

Question 7

A DVM measures

Accepted Answer

average value

Answer

peak value

Answer

rms value

Answer

peak-to-peak value

Question 8

An FET VM employs FETs in

Accepted Answer

differential mode

Answer

cascade mode

Answer

cascode mode

Answer

common mode

Question 9

Accuracy of a digital voltmeter is specified as

Accepted Answer

all of these

Answer

percentage of the actual reading

Answer

percentage of the full scale reading

Answer

number of least significant digits