If the current passing through a bulb is 0.15 A and the power of the bulb is 30 w, find the voltage applied across the bulb.

Solve the following examples/ numerical problems. If the current passing through a bulb is 0.2 A and the power of the bulb is 20 w., find the voltage applied across the bulb.

A npn transistor is connected in common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V. If the current amplification factor is 0.96 and the input resistance of the circuit is 192 Omega , the voltage gain and the power gain of the amplifier will respectively be

When the voltage applied across a bulb is 220 v the current passing through the bulb is 0.1 A . Find the power of the bulb.

Find the resistance of a conductor if 0.12 A current is passing through it and the potential difference of 24 V is applied across it.

Find the resistance of a conductor if 0.24A current is passing through it and the potential difference of 24V is applied across it

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, find the power consumed by the bulb.

The resistance of a conductor is 10 ohm. Find the current through it when a potential difference of 2 V is applied across it. To pass the same current through a conductor of resistance 40 Omega , how much potential difference should be applied across it?

When an a.c. current passes through a 14 Omega resistor, the power loss is 224 W. Find the r.m.s. values of current and voltage. Also find the maximum values of current and voltage. Find the steady value of current which when passed through this resistor will produce the same power loss as the a.c. current.

The resistance of a device is 100 Omega . Find the current through it when a potential difference of 20 V is applied across it. To pass the same current through a device having resistance 200 Omega , how much potential difference should be applied across it?

When an alternating e.m.f. e = 300 sin (120pi t) volt is applied across a bulb, the peak value of the current is found to be 1.5 A, find the resistance of the bulb