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