The power dissipated in a resistance is given by?

Related MCQs

• If a current of 1.5 A is maintained in a resistor of 10 2, then the energy dissipated in the resistor in 1 minute will be :
• The device which transfer the signal from low resistance region to high resistance region is –
• A wire of resistance R is cut into ‘n’ equal parts. These parts are then connected in parallel. The equivalent resistance of the combination will be –
• If a wire of resistance R is melted and recast to half of its length, then the new resistance of the wire will be -
• If a copper wire is increased to double its length, its resistance will become –
• If electric resistance is to be decreased, then the number of resistances should be connected in –
• The resistance of a conductor is inversely proportional to its -
• For which of the following substances, the resistance decreases with increase in temperature?
• Certain substances loose their electrical resistance completely at super low temperature. Such, substances are called.
• Unit of resistance is –