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The magnetic potential at a point due to...

The magnetic potential at a point due to a short magnetic dipole of moment 5 `Am^(2)` at a distance of 2 m from its centre and on a line making an angle of `30^(@)` with its equator is

A

`6.25 xx10^(-8)`

B

`3.5 xx 10^(-7) J//Am`

C

`2.5 xx 10^(7) J//Am`

D

`3.5 xx 10^(7) J//Am`

Text Solution

Verified by Experts

The correct Answer is:
A
`V=(mu_(0))/(4pi)(Mcostheta)/(r^(2))=(10^(-7)xx5xxcos60)/(4)`
`6.25xx10^(-8)J//Am`
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