If 90 W bulb is connected to a circuit with potential difference of 360 V,find the current flowing through the bulb?

A copper wire of resistance 100 Q is connected to a battery of potential difference 25 V. What will be the current flowing through the wire? If the wire is replaced by aluminium wire, the current flowing through it decreases by 0.05 A. What is the resistance of aluminium wire used?

Resistance of a bulb is 500 Omega . It is connected to a battery of potential difference 220 V. How much current will flow through it?

The resistance of the filament in a light bulb is 1000 Omega . If the bulb is fed by a current from a source of potential difference 230 V, how much current will flow through it?

Three resistors having resistances of 5 Omega , 10 Omega and 30 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit ang through individual resistors. What is the effective resistance in the circuit?

Three resistors having resistances of 3 Omega , 4 Omega and 6 Omega are connected in parallel and a potential difference of 12 V is applied across them. Obtain the current flowing through the circuit and through individual resistors. What is the effective resistance in the circuit?

An AC source generating a voltage e = e_0 sin omega t is connected to a capacitor of capacitance C. Find the expression for the current i flowing through it. Plot a graph of e and i versus omega t .

Give reasons: Potential difference produces a current in the circuit.

Solve: Two resistors having resistance of 16 and 14 are connected in series, if a potential difference of 18 V is applied across them, calculate the current flowing through the circuit and the potential difference across each individual resistor

An electric tungsten bulb is connected into a home circuit. The home electric supply runs at 220 V potential difference. When switched on, a current of 0.45 A flows through the bulb What must be power (wattage)of the bulb? if it is kept on for 10 hours, how many units of electricity will be consumed?

If the bulb of 60 W is connected across a source of 220 V.find the electric current drawn by it .