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Two bulbs are 100 W and 50 W and are in series. Each bulb is rated 200 V and the series combination is put across 220 V mains. Comment upon the result.

An electric bulb is rated 200 V and 100 W. When it is operated on 110V, the power consumed will be:

A 100W heather coil is rated 200V. Find the resistance of the coil.

A room heater is rated 500 W, 220V . (a) Find the resistance of its coil. (b) If the supply voltage drops to 200 V , what will be the power consumed? ( c) If an electric bulb rated 100 W, 220 V is connected in series with this heater, what will be the power consumed by the heater and by the bulb when the supply is at 220 V ?

A room heater is rated 500 W, 220V . (a) Find the resistance of its coil. (b) If the supply voltage drops to 200 V , what will be the power consumed? ( c) If an electric bulb rated 100 W, 220 V is connected in series with this heater, what will be the power consumed by the heater and by the bulb when the supply is at 220 V ?

A light bulb has the rating 200 W 220 V. If the supply voltage is 200 V, then find power consumed by the bulb.

A light bulb has the rating 200 W 220 V. If the supply voltage is 200 V, then find power consumed by the bulb.

A 100 W heater coil is rated 200 V. Find the resistance of thwe coil.