Which of the following devices should be used for accurate measurement of low D.C. voltage ?

Related Mcqs:

Which of the following essential features is possessed by an indicating instrument?

A. Deflecting device B. Controlling device C. Damping device D. All of the above...

For handling greater currents induction wattmeters are used in conjunction with______________?

A. potential transformers B. current transformers C. power transformers D. either of the above E. none of the above...

The electrical power to a meggar is provided by________________?

A. battery B. permanent magnet D.C. generator C. AC. generator D. any 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...