What is the magnetic field at a point 80...

What is the magnetic field at a point 80 mm from a wire carrying current of 6A?

A

`0.15 xx 10^5 T`

B

`0.51 xx 10^-5 T`

C

`0.15 xx 10^-5 T`

D

`1.5 xx 10^-5 T`

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