Question

Raman always switched off lights, fans and electric gadgets when not in

use. His electricity bill had cut down to half.

(i) What is commercial unit of electric energy?

(ii) Suggest any two methods of saving electricity?
(iii)what value is shown by him​

Answer 1

Answer:

:Watts is the commercial unit of electric energy.

:Switch off the electronic gadgets when you are not using,Use solar panels system to conserve the electric energy.

:1/2 of his first bill when he not conserve energy.

Answer 2

Explanation:

( i ) The commercial unit of electric energy is Kilowatt hour ( Kwh )

( ii ) Methods of saving electricity : -

1. Swithing off lights and fans when not in use.

2. Switching off electric gadgets when not in use.

( iii ) Value shown by him : -

1. He saves electricity.

2. He saves money by saving electricity. ( Reason : His electricity bill had cut down to half. )