SSC JE EE: Electrical and Electric Instrumentation Booster Quiz-5

High resistances are provided with a guard terminal. This guard terminal is used to?

A 0-50A ammeter has a guaranteed accuracy of 1 percent of full-scale deflection. The limiting error while reading 12.5 A.

For a balanced bridge Z₁ = 200∠30°, Z₂ = 150∠0°, Z₃ = 250∠40°. Find the value of Z₄.

Ampere hour meter is a/an: -

Which instrument is used to detect the small electric current?

What will be the minimum no. of single-phase watt meters required to measure the power. For a three-phase supply driving the load?

Which of the following alloy is widely used in Thermocouple?

True rms responding voltmeter are

When frequency of two signals are equal Lissajous pattern obtained on a CRO is ?

In digital voltmeter, ramp voltage fall from 5V to 0V in 10 m sec. oscillator frequency is 200 kHz find the number of pulse counted by the counter is ?