A coil of resistance `20Omega` and inductance `0.5H` is switched to `DC200V` supply. Calculate the rate of increase of current
a. at the instant of closing the switch and
b. after one time constant.
c. Find the steady state current in the circuit.

In cirucit shown in figure-5.111, find the current through battery just after closing the switch and after a long time in steady state.

A coil of resistance 11Omega and inductance 0.1H is connected to a 110V d.c. mains. Find (i) the current finally established in the coil. (ii) the voltage used in overcoming the resistance when the rising current is 3A, and (iii) the rate at which the current is rising at that instant.

the resistance and inductance of series circuit are 5Omega and 20H respectively. At the instant of closing the switch, the current is increasing at the rate 4A-s . The supply voltage is

the resistance and inductance of series circuit are 5Omega and 20H respectively. At the instant of closing the switch, the current is increasing at the rate 4A-s . The supply voltage is

An inductor with an inductance of 2.5H and a resistance of 8Omega is connected to the terminals of a battery with an EMF 6V and negligible internal resistance. Find (a) The initial rate of increase of current in the circuit (b) The rate of increase of current at the instant when the current is 0.50A (c ) The current 0.25s after the circuit is closed (d) The final steady state current

Find power produced in 5 Omega resistance in steady state after closing the switch S :

Find power produced in 5 Omega resistance in steady state after closing the switch S :