MEDIUM
7th CBSE
IMPORTANT
Earn 100

An electromagnet is made by winding an insulated copper wire on an iron cylinder. Why should the copper wire be insulated?

Important Questions on Electric Currents and Circuits

MEDIUM
7th CBSE
IMPORTANT
What do you think will happen if a thick copper wire is used as a fuse?
MEDIUM
7th CBSE
IMPORTANT
In domestic wiring, what is the advantage if every appliance has its own fuse?