Questions
Currents of 10A, 2A are passed through two parallel wires A and B respectively in opposite directions. If the wire A is infinitely long and the length of the wire B is 2 meter, the force on the conductor B, which is situated at 10 cm distance from A will be
detailed solution
Correct option is A
F = μoi1i22πdl = 2×10−7×10×20.1×2 = 8×10−5NTalk to our academic expert!
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Two thin long parallel wires separated by a distance b carrying a current i ampere each. The magnitude of the force per unit length exerted by one wire on the other is
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