When the magnet shown in the diagram below is movoing towards the coil, the galvnometer gives a reading to the right.

(i) When is the name of the effect being produced by the moving magnet ?
(ii) State what happens to the reading shown on the galvanometer is moving away from the coil.
(iii) The original experiment is repeated. This time the magnet is moved towards the coil at a great speed.
State two change you would notice in the reading on the galvanometer.

Answer

N/a

Explanation

(i) Electromagnetic induction (ii) Deflected to left (iii) Large deflection to right occurs more quickly