MEDIUM
6th CBSE
IMPORTANT
Earn 100

Explain the working of a switch with the help of a diagram. 

Important Questions on Electricity and Circuits

EASY
6th CBSE
IMPORTANT

Which common device produces electricity from chemicals stored in it?

(Choose one of the following: Battery/ Electric motor). 

MEDIUM
6th CBSE
IMPORTANT
What is an insulator? Give examples.
HARD
6th CBSE
IMPORTANT
Why is an electric wire usually covered with plastic or rubber?