The time constant of an LR circuit is 40 ms. The circuit is connected at t= 0 and the steady state current is found ot be 2.0 A. Find the current at (a) t= 10 ms (b) t =20ms, (c ) t =100ms and (d) t = 1 s.

An LR circuit has L = 1.0 H R =20 Omega . It is connected across an emf of 2.0 V at t=0. Find di/dt at (a) t =100ms, (b) t =200 ms and (c ) t = 1.0 s.

An LR circuit has L = 1.0 H R =20 Omega . It is connected across an emf of 2.0 V at t=0 . Find di/dt at (a) t =100ms, (b) t =200 ms and (c )t = 1.0 s .

An LR circuit has L = 1.0 H R =20 Omega . It is connected across an emf of 2.0 V at t=0. Find di/dt at (a) t =100ms, (b) t =200 ms and (c ) t = 1.0 s.

Two coil A and B have inductances 1.0 H and 2.0 H respectively. The resistance of each coil is 10 Omega . Each coil is connected to an ideal battery of emf 2.0 V at t = 0 Let i_A and i_B be the current in the two circuit at time t. Find the raito i_A/ I_B at (a) t=100ms, (b) t= 200 ms and (c ) t = 1 s.

Two coil A and B have inductances 1.0 H and 2.0 H respectively. The resistance of each coil is 10 Omega . Each coil is connected to an ideal battery of emf 2.0 V at t = 0 Let i_A and i_B be the current in the two circuit at time t. Find the raito i_A/ I_B at (a) t=100ms, (b) t= 200 ms and (c ) t = 1 s.

In adjacent circuit, switch S is closed at t = 0. The time at which current in the circuit becomes half of the steady current is

Switch S is cloesd in the circuit at time t = 0 . Find the current through the capacitor and the inductor at any time t

Switch S is cloesd in the circuit at time t = 0 . Find the current through the capacitor and the inductor at any time t

The electric current in a circuit is given by i = 3t. Find the rms current for the period t = 0 to t = 2 sec

In the circuit shown, switch S is closed at time t = 0 . Find the current through the inductor as a function of time t .