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The magnetic induction at centre O in th...

The magnetic induction at centre O in the following figure will be

A

`(mu_(0)ialpha)/(4pi) (1/(r_(1))-1/(r_(2))) o.`

B

`(mu_(0)ialpha)/(4pi)(1/(r_(1))+1/(r_(2)))o.`

C

`(mu_(0)ialpha)/(2pi)[1/(r_(1))-1/(r_(2))]ox`

D

`(mu_(0)ialpha)/(2pi)[1/(r_(1))+1/(r_(2))]ox`

Text Solution

Verified by Experts

The correct Answer is:
A
`B=(mu_(0))/(4pi).alpha.i[1/(r_(1))-1/(r_(2))]`
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