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A magnetic pole of 35 ampere - metre strength exerts a force of 95 x 10-5 N upon a second pole placed 6 cm away. What is the strength of the second pole if they are in air ?

A magnetic pole of 35 ampere - metre strength exerts a force of 95 x 10-5 N upon a second pole placed 6 cm away. What is the strength of the second pole if they are in air ?

Grade:12

1 Answers

ROSHAN MUJEEB
askIITians Faculty 829 Points
2 years ago

Force acting on each pole is F
F=

μ
0




d
2

m
1

m
2




where m
1

and m
2

are magnetic moment of magnets.
d= distance between the magnet.

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