Question

8. In a domestic circuit five 40 W bulbs are us
bulbs are used for 3 hours and one 100 W bulb is used for
1 hour daily. There are three TV sets each of 50 W and they are used 10 hours daily.
Calculate the energy consumed in a month. Also find the total cost when the charge on
one unit energy is 3.50​

Answer 1

Answer:

A kilowatt-hour is 1,000 watts used for one hour. As an example, a 100-watt light bulb operating for ten hours would use one kilowatt-hour. Below are some examples of electrical appliances found in most homes. These examples are using a 10 cents per kWh rate.