The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?

Related Mcqs:

All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?

A. capacitance only B. inductance only C. resistance only D. all above...

The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces__________?

A. the more heat than produced by A.C. when flowing through the same circuit B. the same heat as produced by A.C. when flowing through the same circuit C. the less heat than produced by A.C. flowing through the same circuit D. none of the above...

The equation of 50 Hz current sine wave having r.m.s. value of 60 A is____________?

A. 60 sin 25 t B. 60 sin 50 t C. 84.84 sin 3141 D. 42.42 sin 314 t...

The ratio of active power to apparent power is known as factor__________?

A. demand B. load C. power D. form...

In R-L-C series resonant circuit magnitude of resonance frequency can be changed by changing the value of__________?

A. R only B. L only C. C only D. LorC E. R,LorC...