Question

A coil of insulated copper wire is connected to a galvanometer.wht happens if a bar magnet is:
(a). pushed into the coil?
(b). withdrawn from inside the coil?
(c).held stationery inside the coil?

Answer 1

Galvanometer will show deflection in first two cases but will show no deflection in third case

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.