An inductor of `2` henry and a resistance of `10` ohms are connected in series with a battery of `5` volts. The initial rate of change of current is

An inductor of 5 henry and a resistance of 20 ohm are connected in series with a battery of 5 volt. The initial rate of change of current is

An inductor of 2 H and a resistance of 10Omega are connects in series with a battery of 5 V. The initial rate of change of current is

An inductor of 2 H and a resitance of 10Omega are conncts in series with a bttery of 5 V. The intial rate of change of current is

An inductor of 20 H and a resistance of 10 Omega , are connected to battery of 5 volt in series, then initial rate of change of current is :-

A solenoid has an inductance of 60 henrys and a resistance of 30 ohms. If it is connected to a 100 volt battery. How long will it take for the current to reach (e-1)/(e)~=63.2% of its final value

A choke of 0.5 henry, a capacitor of 15muF and resistance of 100 ohm are connected in series across 200 volt, 50 hertz main. Find current in the ciruit.

Three resistors of resistance 5 ohm, 3 ohm and 2 ohm are connected in series with 10 V battery. Calculate their effective resistance and the current flowing through the circuit.

An ideal coil of 10 henry is joined in series with a resistance of 5 ohm and a battery of 5 volt. 2 second after joining, the current flowing in ampere in the circuit will be