List of top Physics Questions on Electrical Energy, Power

An auto driver started an auto rickshaw with the help of pulling a rope. The device used by him to convert mechanical energy into electrical energy is

The electrical energy (in kWh) consumed in operating a bulb of 40 W for 5 hours a day in a month of 30 days is

6 watt × second =

The electric energy (in kWh) consumed in operating a bulb of 60 W for 10 hours a day is

If the wind speed at a site is 6 m/s for half of the year and 10 m/s for the rest of the year calculate the energy content in a year.

There are 4 electric bulb of 50W (each) is used for 5 hour per day. Calculate the energy consumed in the month of January.

A bulb of 100 W glows for 6 hours a day. The units of energy consumed in 7 days would be :

Which of the following converts mechanical energy into electrical energy?

Which of the following pair of devices measure the same physical quantity?

The kilowatt hour is the unit of

One horsepower (1 HP) is equal to