An electric heater coils is connect to a 220 V source. If the resistance of the heater coil is 220 ohm. Find the current.

An electric heater coil if connected to a 230 V source if the resistance of the heater coil is 220 ohm. Find the current.

An electric bulb is connected to a 220 V source. If the resistance of the bulb filament is 1000 ohm. Find the current.

An electric bulb rated 22V is connected to 220 V-5Hz source. Then, the bulb

An electric lamb of 100 Omega a toaster of resistance 50 Omega and a water filter of resistance 500 Omega are connected in parallal to a 220 V source.What is the resistance of the electric iron connected to the same cource that takes as much current as all the three application and what is the current through it?

How much current will be drawn by an electric iron from a 220 V source if the resistane of its element when hot is 55 ohm ? Calculate the wattage of electric iron when it operates on 220V?

An electric bulb is connected to a 220 V source. The current flowing is 0.25 A. what is the power of the bulb?

A resistance of 20 ohm is connected to a source of alternating current rated 110 V - 50 Hz. Find the r.m.s of current.

A 30 muF capacitor is connected to a 220V , 50 Hz source Find its impedance of the circuit.

A uniform conducting wire of length 12a and resistance R is wound up as a current carrying coil in the shape of an equilateral triangle of side a. The coil is connected to a voltage source V_0 . Find the magnetic moment of the coils in each case.