Question

a coil is insulated copper wire is connected to a galvanometer. what would happen if a bar magnet is : i) pushed into coil ii) withdrawn from inside the coil iii) held stationary inside the coli?

Answer 1

I) deflection will be shown ii) again deflection will be shown in another direction iii) no deflection will be shown

Answer 2

Explanation:

(i) The needle of the galvanometer shows a momentary deflection in a particular direction.

(ii) The needle of the galvanometer shows a momentarily in the opposite direction.

(iii) The needle of the galvanometer shows no deflection.