On giving 220 V to a resistor the power dissipated is 40 W then value of resistance is

Power dissipated in 4 Omega resistor is :

The power dissipated 6 Omega resistor is

A battery of 3.0 V is connected to a resistor dissipating 0.5 W of power . If the terminal voltage of the battery is 2.5 V , the power dissipated within the internal resistance is :

A battery of 3.0 V is connected to a resistor dissipating 0.5 W of power . If the terminal voltage of the battery is 2.5 V , the power dissipated within the internal resistance is :

Power dissipated across the 8 Omega resistor in the circuit shown here is 2 W. The power dissipated in the 3Omega resistor is

An ac source is connected across a resistance of 10 Omega The power dissipated in the resistor is 100W The rms valuse of the current and voltge are .