Basically a potentiometer is a device for________________?

Related Mcqs:

Which of the following devices may be used for extending the range of instruments ?

A. Shunts B. Multipliers C. Current transformers D. Potential transformers E. All of the above...

is an instrument which measures the insulation resistance of an electric circuit relative to earth and one another_______________?

A. Tangent galvanometer B. Meggar C. Current transformer D. None of the above...

It is required to measure the true open circuit e.m.f. of a battery. The best device is_____________?

A. D.C. voltmeter B. Ammeter and a known resistance C. D.C. potentiometer D. None of the above...

The two pressure coils of a single phase power factor meter have_________________?

A. the same dimensions and the same number of turns B. the same dimension but different number of turns C. the same number of turns but different dimensions D. none of the above...

Instrument transformers are_______________?

A. potential transformers B. current transformers C. both A. and B. D. power transformers...