A coil of inductance `L = 5//8 H` and of resistance `R = 62.8 (Omega)` is connected to the mains alternating voltage of frequency 50 Hz. What can be the capacitance of the capacitor `(in (mu)F)` connected in series with the coil if the power dissipated has to remain unchanged? Take `(pi)^(2) = 10`.

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 of inductance L=5H and resistance R=55Omega is connected in series to the mains alternating voltage of frequency f=50Hz in series. What can be the non-zero capacitance of the capacitor (in muF ) connected in series with the coil, if the power dissipated has to remain unchanged. (take pi^(2)=10 )

A coil of inductance L=5H and resistance R=55Omega is connected in series to the mains alternating voltage of frequency f=50Hz in series. What can be the non-zero capacitance of the capacitor (in muF ) connected in series with the coil, if the power dissipated has to remain unchanged. (take pi^(2)=10 )

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

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 resistance 500 Omega and inductance 1.4 H is connected to an alternating voltage supply of frequency 100 //pi Hz. What is the phase difference between the voltage and current in the circuit ?