The power of a heating coil is P. it is cut into two equal parts. The power of one of them across same mains is

The coil of a heater connected to a 200 V line , con-sumes a power of 100 W . The coil is divided into two equal parts . The two parts are combined in parallel and connected to a 200 V line . What will be the power consumed by the new combination ?

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 is cut into two equal parts and only one part is used in the heater, the heat generated becomes

(A): The coil of a heater is cut into two equal halves and only one of them is used into heater. The heater will now require half the time to produce the same amount of heat. (R): The heat produced is inversily proportio nal to square of current.

The coil of a 1000W electric heater is cut into two equal parts. If the two parts are used separately as heaters, their combined wattage will

If a heater coil is cut into two equal parts and only one part is used in the heater, the heat generated will be

The coil of a heater is cut into two cqual halves and only one of them is used in the heater. The ratio of the heat produced by this half of the coil to that produced by the original coil is

A biconcave lens of a power P vertically splits into two identical Plano-concave parts. The power of each part will be