A light bulb is rated 100 W for 220V ACsupply of 50 Hz.Calculate:-the rms current through the bulb.

A light bulb is rated 100 W for 220V ACsupply of 50 Hz.Calculate:-resistance of the bulb.

A light bulb is rated 100 W for a 220 V supply. The resistance of the bulb and the peak voltage of the source respectively are

An alternating e.m.f. is given by 100 sin 100 pi t to a pure resistance of 50 Omega . calculate:- r.m.s current through the circuit.

A coil has an inductance of 0.5H and a resistance of 100 ohm are connected in series to 240v, 50 Hz supply. Calculate:- the maximum current in the circuit.

A alternating e.m.f. e = 200 sin (100 pit) is connected across a resistor of resistance 10 Omega . Calculate the r.m.s. current flowing through the circuit.

An alternating voltage given by e=140 sin 3142t is connected across a pure resistor of 50 Omega .Find:- the rms current through the resistor.

Solve the following examples/ numerical problems. An electric bulb is connected to a source of 250 volts. The current passing through it is 0.27 A. What is the power of the bulb?

An inductor of inductance 200 mH is connected to an AC source of peak emf 210 V and frequency 50 Hz.Calculate the peak current. What is the instantaneous voltage of the source when the current is at its peak value?