Question

The working of an electric fuse is based on
(1) Heating effect of electric current
(2) Magnetic effect of electric current
(3) Chemical effect of electric current
(4) Electromagnetic induction

Answer 1

heating effect of electric current

Answer 2

hey buddy !! here's your answer...

➡️the working of electric fuse is based on heating effect of electric current.

so your answer is... 1✔️

➡️fuse is joined in series with a device which may get damaged due to overheating caused by excessive current in the circuit.
when the current is high the fuse breaks and hence don't let any damage happen to the other device .

hope it helps !! ❤️✌️