Electrical And Electronic Measurement MCQs

Question 1

What happens if a voltmeter is connected like an ammeter in series with the load?

Accepted Answer

an extremely high current flows

Answer

meter burns out

Answer

measurement gives too high value

Answer

there is almost no current in the circuit

Question 2

Transducer is a device which

Accepted Answer

converts one form of energy into another

Answer

converts one form of power into another

Answer

helps in measuring electrical signal

Answer

is similar to a transformer

Question 3

Apart from LVDT, linear displacement can also be sensed by

Accepted Answer

capacitance transformer

Answer

RVDT

Answer

thermocouple

Answer

sensistor

Question 4

Strain gauge is used to

Accepted Answer

to convert mechanical displacement into a change in resistance

Answer

convert sound energy into electrical energy

Answer

sense temperature

Answer

convert electrical current into a mechanical displacement

Question 5

Thermocouple transducer is used for

Accepted Answer

temperature measurement

Answer

velocity and vibration measurement

Answer

pressure measurement

Answer

acceleration measurement

Question 6

Differential transformer transducer is used for the measurement of

Accepted Answer

displacement

Answer

liquid level

Answer

temperature

Answer

speech and music

Question 7

Principle of Pirani gauge is based on

Accepted Answer

thermal condictivity of the medium

Answer

humidity of the medium

Answer

combustibility of the medium

Answer

electrical resistivity of the medium

Question 8

A differential transformer is a

Accepted Answer

variable inductance transducer

Answer

variable pressure transducer

Answer

constant displacement transducer

Answer

constant pressure transformer

Question 9

Thermistor is a bulk semiconductor device having temperature coefficient of resistance which is

Accepted Answer

high and negative

Answer

low and negative

Answer

high and positive

Answer

low and positive