Questions
Through two parallel wires A and B, 10 and 2 amp of currents are passed respectively in opposite directions. If the wire A is infinitely long and the length of the wire B is 2 m, the force on the conductor 8, which is situated at 10 cm distance from A, will be
detailed solution
Correct option is A
F=μ04π×2i1i2r×l∴ F=10−7×2×10×20⋅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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