The coefficient of induction of a choke coil is `0.1 H` and resistance is `12 Omega`. If it is connected to an alternating current source of frequency `60 Hz`, then power factor will be

A coil of self inductance of 1H and resistance 200 Omega is connected to an A.C. source of frequency 200/pi Hz. The phase difference between voltage and current will be ...

A coil of inductance L=0.2 H and of resistance R= 62.8 Omega is connected to the mains alternating voltage of frequency 50Hz. What can be the capacitance of the capacitor connected in series with the coil if the useful power has to remain unchanged?

A coil has inductance of 0.4 H and resistance of 8 Omega .It is connected to an AC source with peak emf 4V and frequency 30/pi Hz .The average power dissipated in the circuit is

An inductance L having a resistance R is connected to an alternating source of angular frequency omega .The quality factor Q of the inductance is

A coil of inductance 0.50 H and resistance 100 Omega is connected to a 240 V, 50 Hz ac supply. What is the maximum current in the coil ?

A coil of inductance 0.50 H, and resistance 100Omega is connected to a 240V, 50Hz ac supply What is the maximum current in the coil?

A coil of 200Omega resistance and 1.0H inductance is conneted to an AC source of frequency 200//2pi Hz . Phase angle between potential and current will be

A coil of 200Omega resistance and 1.0H inductance is conneted to an AC source of frequency 200//2pi Hz . Phase angle between potential and current will be