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An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'l' along the same direction as shown in figure. Magnitude of force per unit length on the middle wire 'B' is given by

1 Answer

+3 votes
by (81.4k points)
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Best answer

Correct option  (c)

Explanation:

Force between wires A and B = force between wires B and C

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