In a process of current decay in an inductor through a resistance, if in time t, current falls to `eta` times `(eta lt 1)` the initial value, find the time constant of circuit.

During the decay of current in an LR circuit, if the current falls to eta times the intial value in time T , then determine the value of time constane.

During the decay of current in an LR circuit, if the current falls to eta times the intial value in time T , then determine the value of time constane.

When a choke coil carrying a steady current is short circuited, the current in it decreases to beta(lt1) times its initial value in a time T . The time constant of the choke coil is

When a choke coil carrying a steady current is short circuited, the current in it decreases to beta(lt1) times its initial value in a time T . The time constant of the choke coil is

A coil carrying a steady current is short-circuited. The current in it decreases alpha times in time t_(0) . The time constant of the circuit is

A coil carrying a steady current is short-circuited. The current in it decreases alpha times in time t_(0) . The time constant of the circuit is

For the circuit shown in figure, find (a) the initial current through each resistor (b) steady state current through each resistor (c) final energy stored in the capacitor (d) time constant of the circuit when switch is opened.

For the circuit shown in figure, find (a) the initial current through each resistor (b) steady state current through each resistor (c) final energy stored in the capacitor (d) time constant of the circuit when switch is opened.

The value of displacement current at t=1 time constant is