A radio set of 60 watts runs for 50 hours. How many 'units' (kWh) of electrical energy are consumed ?

A 100 W electric bulb is used for 10 hours a day. How many units of energy are consumed in 30 days?

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

Two 60W bulbs are used for 4hours everyday and five 100W bulbs are used for 5 hours everyday. How many units of electricity will be consumed in 30 days?

In a house, if three bulbs of lOOW, 60W and 40W respectively are used 2 hours per day, how many units of electrical energy will be consumed in 30 days?

An electric lamp of 100 watt is used for hours per day. The 'units' of energy consumed in one day by the lamp is

A 60 watt bulb burns for 5 hours. What is the energy consume?

An electrical appliance is rated 1500 W, 250 V. This appliance is connected to mains of voltage 250 V for 60 hour. Calculate : the cost of electrical energy consumed at a rate of 4.50 per kWh.