Question

A copper coil is connected to a galvanometer. What would happen if a bar magnet is (1)pushed into the coil with its North Pole entering first? (2) field at rest inside the coils? (3) pulled out again?

Answer 1

(1) The galvanometer will show deflection towards left side.

(2) No deflection is shown.

(3) Deflection is shown again, but in the opposite direction.

Hope this helps!