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

An ideal coil of 10H is connected in series with a resistance of 5(Omega) and a battery of 5V. 2second after the connections is made, the current flowing in ampere in the circuit is

An idal coil of 10 is connected in series with a resitance of 5Omega and a battery of 5V. After 2s, after the connection is made, the current flowing ( in ampere) in the circuit is

In the circuit in figure, the current flowing 5 Omega resistance is :

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

A coil of 40 H inductance is connected in series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 V battery. The time constant of the circuit

A resistance of 6 ohms is connected in series with another resistance of 4 ohms. A potential difference of 20 volts is applied across the combination. Calculate the current through the circuit and potential difference across the 6 ohm resistance.

The number of dry cells, each of e.m.f. 1.5 volt and internal resistance 0.5 omega that must be joined in series with a resistance of 20 ohm so as to send a current of 0.6 ampere through the circuit is -

A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 ohm. Find the wattless component of current in the circuit, when an alternating e.m.f. of 220 V at a frequency of 50 Hz is supplied to it.

A coil has inductance of (11)/(5pi)H and is joined in series with a resistance of 220Omega . When an alternating emf of 220V at 50Hz is applied to it, then the wattless component of the current in the circuit is