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
Attached Figure / Diagram
A
S and N
B
N and N
C
S and S
D
N and S
Verified Correct Answer: B.
Physical Principles & Numerical Solution
Since the striking poles are both south poles of the magnet, therefore, the polarity of P and Q will be north.
Source: Myschool Past Questions Archive (Record #45673)