Two identical bar magnets with a length 10 cm and weight 50 gm-weight are arranged freely with their like poles facing in a inverted vertical glass tube. The upper magnet hangs in the air above the lower one so that the distance between the nearest pole of the magnet is 3 mm. Pole strength of the poles of each magnet will be
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
The weight of upper magnet should be balanced by the repulsion between the two magnet
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