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

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

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

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

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

An electric oven is rated 1600 W. How much energy (in kWh) does it use in 8 hours?

An electric heater of power kW is used for 10 h.How much energy does it consume?Express your answer in (i)kWh, (ii)joule .

A heater is marked 1000 W. The energy consumed by it in ten hours is

An electric heater is rated at 2 kW. Electrical energy costs Rs 4 per kWh. What is the cost of using the heater for 3 hours?

An electric heater is rated 1500 watt. If electric power costs Rs. 2 per kilp-watt-hour, then the cost of power of 10 hours running of the heater is

An electric heater is marked 110 V - 550 W and it is to be used in 200 v mains .How much resistance is to be added in series the heater ?