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The wire shown in figure carries a curre...

The wire shown in figure carries a current of `40A`. If `r=3.14cm` the magnetic field at point p will be

A

`1.6xx10^(-3)T`

B

`3.2xx10^(-3)T`

C

`6xx10^(-4)T`

D

`4.8xx10^(-3)T`

Text Solution

Verified by Experts

The correct Answer is:
C
`B=(mu_(0)i)/(4pir)(theta),b=(3)/(4)((mu_(0)I)/(2r))`
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