Calculate the current drawn by an appliance rated 110 W, 220 V when connected across 220 V supply.

The resistance of the filament of a lamp increases with the increase in temperature. A lamp rated 100 W and 220 V is connected across 220 V power supply. If the voltage drops by 10% , then the power of the lamp will be

Two lamps, one rated 40 W, 220 V and the other having resistance of 605 Omega and rated 60 W, 220 V are connected in parallel combination across a 220 V supply. Calculate the current drawn from the supply line.

An electrical appliance is rated 1500 W, 250 V. This appliance is connected to mains of voltage 250 V. Calculate : the current drawn,

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 ?

If resistance of the filament increases with temperature, what will be power dissipated in a 220 V - 100 W lamp when connected to 110 V power supply

If a TV set is rated as 120 W,-220V, what does it mean?

How much current is drawn by the primary of a transformer connected to 220V supply when it delivers power to a 110V-550W refrigerator ?

If two bulbs of 25 W and 100 W rated at 220 V are connected in series across a 440 V supply, will both the bulbs fuse ? If not which one ?

An electrical appliance is rated 1500 W, 250 V. This appliance is connected to mains of voltage 250 V. Calculate : the electrical energy consumed in 60 hours,

In a house having 220 V line , the following appliances are operating : (i) a 60 W bulb, (ii) a 1000 W heater , and (iii) a 40 W radio. Calculate (a) the current drawn by the heater and (b) the current passing through the fuse in the main line.