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Questions  

There long straight wires A, B and C are carrying current as shown figure. Then the resultant force on B is directed

a
Towards A
b
Towards C
c
Perpendicular to the plane of paper and outward
d
Perpendicular to the plane of paper and inward

detailed solution

Correct option is B

F  ∝   i1 i2, so force on B due to C will be greater than that due to A. Hence, net force on B acts towards C.

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