Find the value of `t/tau` for which the current in an LR circuit builds up to (a) 90%, (b) 99% and ( c) 99.9% of the steady-state value.

The current in a LR circuit builds up to (3)/(4)th of its steady state value in 4s . The time constant of this circuit is

The current in a LR circuit builds up to 3/4 th of its steady state value in 4s. The time constant of this circuit is

The current in a LR circuit builds up to (3)/(40th of its steady state value ion 4s . The time constant. Of this circuit is

The current in an RL circuit builds up to one-third of its steady-state value in 5.00 s. Find the inductive time constant.

How many time constants one should wait for the current in an LR-circuit to grow within 0.1% of its steady state value.

Find the steady-state value of current in the circuits.

If 90% of A = 30% of B and B = x% of A, then the value of x

In a RC circuit, the time required for the charge on a capacitor to build up to a given fraction of its steady state value, is independent of:

If 90% of A = 30% of B and B = 2x% of A, then the value of x is