The magnetic field to a small magnetic dipole of magnetic moment `M`, at distance r from the centre on the equatorial line is given by (in M.K.S. system)
A
`(mu_(0))/(4pi)xx(M)/(r^(2))`
B
`(mu_(0))/(4pi)xx(M)/(r^(3))`
C
`(mu_(0))/(4pi)xx(2M)/(r^(2))`
D
`(mu_(0))/(4pi)xx(2M)/(r^(3))`
Text Solution
Verified by Experts
The correct Answer is:
B
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