Questions
Two straight parallel wires, both carrying 10 A current in the same direction, attract each other with a force of current . If both currents are doubled, the force of attraction will be
detailed solution
Correct option is C
F=μ04π 2i1i2a × l=10−3 NWhen current in both the wires is doubled, thenF'=μ04π 22i1 ×2i2a × l=4 ×10−3 NTalk to our academic expert!
Similar Questions
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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