Power of an electric heater is 1000 W and it is run for 1 hour. Calculate the energy consumed by it.

An electric bulb with 60 W rating operates for 10 hours and an electric fan with 100 W can run for 7 hours. Calculate the total units consumed in one day.

Five bulb each having 100w power are used for 4hrs, a heater having 1500w power is used 2 hrs and an electric iron of power 1000 w is used for 5 hrs for 30 days. Calculate the total energy consumed by them.

In a household, an electric bulb of 100W is used for 10 hours and an electric heater of 1000W is used for 2 hours Calculate the cost of using bulb and heater for 30 days take the cost of one unit of electrical energy is 5 rupees.

Five electric fans of 120 watts each are used for 4 hours. Calculate the electrical energy consumed in kilowatt-hours.

An electric bulb of 60 W is used for 6 hours per day. Calculate the units of energy consumed in one day by the bulb.

5 tubelights each of 40 W are operated by 10 hour. Calculate electrical energy consumed in 'unit'.