A wire is kept parallel to a square coil...

A wire is kept parallel to a square coil. Both carry current of same amount. If the magnetic field due to the wire at any point P with in the coil is B1, then the total magnetic in duction B at P will be -

A

B = 0

B

`B gt B_(1)`

C

`B lt B_1`

D

`B = B_1`

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The correct Answer is:

B

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