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The magnetic induction field strength at...

The magnetic induction field strength at a distance `0.3 m` on the axial line of a short bar magnet of moment `3.6 Am^(2)` is

A

`4.5xx10^(-4)T`

B

`9xx10^(-4) T`

C

`9xx10^(-5)T`

D

`2.6xx10^(-5)T`

Text Solution

Verified by Experts

The correct Answer is:
D
`B_(a)=(mu_(0))/(4pi)(2M)/(d^(3))`
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