Q.

Two wires carrying

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a

Antiparallel current repel each other

b

Equal magnitudes of antiparallel current attract each other.

c

Parallel current repel each other

d

Antiparallel current attract each other

answer is C.

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Detailed Solution

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If the current in the two parallel wire is in opposite direction, the magnetic force on them will be repulsive.

If the current in the two parallel wire is in same direction, the magnetic force on them will be attractive.

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