How much current will be an electric heater related 1kW draw when connected to 250 V supply?

How much current will a heater rated 2.5 kW draw, whe nconnected to a 250 V electric supply?

How much current is drawn by the priary of a transformer connectede to 220V supply, when it delivers power to a 110 V and 550 W refrigerator?

An electric heater is rated 1500W. How much energy does it use in 10 hours?

An electric heater is rated 1500 W. How much energy does it use in 10 hours ?

How much current will be drawn by an electric iron from a 220 V source if the resistane of its element when hot is 55 ohm ? Calculate the wattage of electric iron when it operates on 220V?

Calculate the resistance of an electric bulb which allows a 10 A current when connected to a 220 V power sources?