SSC JE EE Quiz: Electrical and Electric Instrumentation Booster Quiz-15

A moving coil instrument having a resistance of , gives a full-scale deflection when the current s 10 mA . What should be the value of the series resistance, so that it can be used as a voltmeter for measuring potential difference up to 100 V?

Which of the following is not true with respect to hot-wire instruments?

Which of the following errors occurs in only in ac measurements?

An energy meter has a constant of 300 revolutions per unit, it makes 10 revolutions in 30 seconds when it is used for energy measurement. Find the connected load in kW.

The operation of all induction instruments depends on the production of torque due to:

___________ is the measure of consistency and gives the closeness of individual measured value to the average of all measured value.

Which of the following is an example of passive transducer?

The change in resistance of an electrical strain gauge with a gauge factor of 2.0 and resistance of 50 Ω when subjected to a strain of 0.001 is-

Which of the following instrument can measure voltage resistance and current?

CRO is used for the measurement of