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Class 12 NEET Physics Moving Charges and Magnetism

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Question : 79

Total: 96

Two parallel wires in free space are 10 cm apart and each carries a current of 10 A in the same direction. The force exerted by one wire on the other, per metre length is

2×10−4 N, repulsive
2×10−7 N, repulsive
2×10−4 N, attractive
2×10−7 N, attractive.

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