The power factor of a LR circuit is `1/sqrt3`. IF the frequency of ac be doubled, what will be the power factor?

The power factor of LR circuit is 1/sqrt3 . IF the frequency of ac be doubled, what will be the power factor?

Power factor of an LR circuit is 1/sqrt2 . If the frequency of ac is doubled, what will be the power factor?

The power factor of an LR circuit carrying an ac of angular frequency omega is

The power factor of a series L-C-R circuit at resonance

What is the Q-factor?

What is factor?

What is the power factor of a circuit having a pure resistance only?

What is Q-factor?

What are the prime factors of 14.

A circuit draws a power of 550 W from a 220V-50 Hz source. The power factor of the circuit is 0.8. A current in the circuit lags behind the voltage. Show that a capacitor of about 1/(42pi)times10^-2F will have to be connected in the circuit to bring its power factor to unity.