Two identical bar magnets with a length 10cm and weigth 50 gm-weigth 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
`6.64 "amp"xxm`
B
`2 "amp"xxm`
C
`10.25 "amp"xxm`
D
None of these
Text Solution
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The correct Answer is:
A
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