A coil having an inductance `L` and a resistance `R` is connected to a battery of emf `E` . Find the time taken for the magnetic energy stored in the circuit to change from one fourth of the steady-state value.

An LR circuit having a time constant of 50 ms is connected with an ideal battery of emf epsilon . Find the time taken for the magnetic energy stored in the circuti to change from one fourth of the steady state value to half of the steady stae value.

An LR circuit having a time constant of 50 ms is connected with an ideal battery of emf epsilon . Find the time taken for the magnetic energy stored in the circuti to change from one fourth of the steady state value to half of the steady stae value.

A coil having an inductance L and a resistance R is connected to a battery of emf epsilon . Find the time elapsed before, the magnetic field energy stored in the circuit reaches half its maximum value.

An inductance L and a resistance R are connected in series with a battery of emf e. Find the maximum rate at which the energy is stored in the magnetic field.

An inducatane L and a resistance R are connected in series with a battery of emf epsilon. Find the maximum rate at which the energy is stored in the magnetic field.

An inducatane L and a resistance R are connected in series with a battery of emf epsilon. Find the maximum rate at which the energy is stored in the magnetic field.