A metal rod consumes power P on passing curreent . If it is cut into two half and joined in parallel, it will consume power

A heater coil c onnected across a give potential difference has power P . Now , the coil is cut into two equal halves and joined in parallel . Across the same potential difference, this combination has power

A heater coil c onnected across a give potential difference has power P . Now , the coil is cut into two equal halves and joined in parallel . Across the same potential difference, this combination has power

A heater coil connected to a supply of a 220 V is dissipating some power P_1 . The coil is cut into half and two halves are connected in parallel. The heater now dissipates a power P_2 . The ratio of power P_1 : P_2 is

An idealinductor consumes no power in an a.c. circuit. Why?

In above question, if the bulbs are connected in parallel, total power consumed is

In above question, if the bulbs are connected in parallel, total power consumed is

When three identical bulbs are connected in series. The consumed power is 10W. If they are now connected in pa rallel then the consumed power will be:-

When three identical bulbs are connected in series. The consumed power is 10W. If they are now connected in pa rallel then the consumed power will be:-

When three identical bulbs are connected in series. The consumed power is 10W. If they are now connected in pa rallel then the consumed power will be:-

A heater coil connected to a supply of a 220 V is dissipating some power . P_(1) The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power . P_(2) Theratio of power P_(1) : P_(2) is