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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

`1.6 xx 10^(-3) T`

B

`3.2 xx 10^(-3) T`

C

`6 xx 10^(-4) T`

D

`4.8 xx 10^(-3) T`

Text Solution

Verified by Experts

The correct Answer is:
C
`B = (mu_0i)/(4pi r) (theta) , B =3/4 ( (mu_0i)/(2r) ) `
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