Heat energy is being produced in a resistance in a cricuit at the rate of 100 W.The current of 3 A is flowing in the circuit.What must be the value of the resistance?

Find out the value of current through 2 Omega resistance for the given circuit

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.5 A, Calculate resistance of resistor.

The resistance of a potentiometer wire is 10 Omega and its length is 10 meter. A resistance box and 2 V accumulator are placed in series with it. What should be the value of resistance in the box if it is desired to have potential drop of 1muV /mm?

when a semiconductor device is connected in series with a battery and a resistance, a current is found to flow in the circuit . If , hiwever the polarity of the battery is reversed, practically no current flows in the circuit. The device may be

A battery of emf 12 V and internal resistance 3 Omega is connected to a resistor. If the current in the circuit is 0.6 A, Calculate terminal voltage of the battery when the circuit is closed.

An electric lamp is rated 40 W, 100 V. Find the current in the lamp and the resistance of the lamp.

When two resistors are connected in series, their effective resistance is 80 Omega . When : they are connected in parallel, their effective resistance is 20 Omega . What are the values of the two resistances?

Two resistances connected in series have an effective value of 20 Omega . When connected in parallel, the effective value is 5 Omega . What are the values of resistance?