Power factor of an electrical circuit is equal to____________?

Related Mcqs:

Power factor of the following circuit will be unity

A. inductance B. capacitance C. resistance D. both A. and B....

For a sine wave with peak value Imax the r.m.s. value is_______?

A. 0.5 Imax B. 0.707 C. 0.9 D. 1.414 Lmax...

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 very low frequencies a series R-C circuit behaves as almost purely___________?

A. resistive B. inductive C. capacitive D. none of the above...

If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave_________ ?

A. 42.42 sin 3141 B. 60 sin 25 t C. 30 sin 50 t D. 84.84 sin 25 t...