Which of the following meters are not used on D.C. circuits______________?

Related Mcqs:

Which of the following properties a damping oil must possess ?

A. Must be a good insulator B. Should be non-evaporating C. Should not have corrosive action upon the metal of the vane D. The viscosity of the oil should not change with the temperature E. All of the above...

Induction type single phase energy meters measure electric energy in_______________?

A. kW B. Wh C. kWh D. VAR E. 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...

In Weston synchronoscope the moving coil is connected across______________?

A. bus-bars B. incoming alternator C. fixed coils D. any of the above...