WAEC - Physics (2016 - No. 39)
Two magnets are used to magnetize a soft iron bar PQ as illustrated in the diagram given. The correct polarity at P and Q respectively
S and N
N and N
S and S
N and S
ব্যাখ্যা
Since the striking poles are both south poles of the magnet, therefore, the polarity of P and Q will be north.