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At two coners A and B of an equilateral...

At two coners `A` and `B` of an equilateral triangle `ABC`, a souith and north pole each of strength `30An` are placed. If the side of the triangle is `1m`. The magnetic induction at `C` is

A

`3xx10^(-6)T`

B

`4xx10^(-6)T`

C

`8xx10^(6-)T`

D

`2xx10^(-6)T`

Text Solution

Verified by Experts

The correct Answer is:
A
`B=(mu_(0))/(4pi)(m)/(d^(2))`
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