Magnetic intensity due to a bar magnet of length 2l and pole strength m at an equatorial point at a distance d from the mid-point is

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Magnetic intensity due to a bar magnet of length 2l and pole strength m at an equatorial point at a distance d from the mid-point is

1.�0/4? . Md/(d2+l2 )3/2

2.�0/4? . 2Md/(d2+l2 )3/2

3.�0/4? . M/(d2+l2 )3/2 parallel to axis directed N ?S

4.�0/4? . M/(d2+l2 )3/2 parallel to axis directed S ?N

Posted Date:-2021-10-19 09:53:20

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