The power factor of a D.C. circuit is always__________?

Related Mcqs:

For a sine wave with peak value Emax _______ 8.30. the average value is?

A. 0.636 Emax B. 0.707 Emax C. 0.434 EWc D. lAUEmax...

Inductance of a coil Varies__________?

A. directly as the cross-sectional area of magnetic core B. directly as square of number of turns C. directly as the permeability of the core D. inversely as the length of the iron path E. as A. to (d)...

In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will__________?

A. be reduced by half B. be doubled C. be four times at high D. be reduced to one fourth...

At _______ frequencies the parallel R-L circuit behaves as purely resistive

A. low B. very low C. high D. very high...

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is__________?

A. 12 kW B. 22 kW C. 32 kW D. 64 kW...