To measure an A. C. voltage by using an A.C. potentiometer, it is desirable that the supply for the potentiometer in taken_______________?

Related Mcqs:

A __________ device prevents the oscillation of the moving system and enables the latter to reach its final position quickly___________?

A. deflecting B. controlling C. damping D. any of the above...

In a 3-phase power measurement by two wattmeter method, both the watt meters had identical readings. The power factor of the load was___________?

A. unity B. 0.8 lagging C. 0.8 leading D. zero...

An induction wattmeter can be used for_________________?

A. both D.C. and A.C. B. D.C. only C. A.C. only 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...

An instrument transformer is used to extend the range of______________?

A. induction instrument B. electrostatic instrument C. moving coil instrument D. any of the above...