Two parallel wires carrying equal currents of 10 A attract each other with a force of 1 mN.If both currents are doubled, the force of attraction will be:
A)0.25 mN
B)0.5 mN
C)1 mN
D)2 mN
E)4 mN

Question

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The Answer of Two parallel wires carrying equal currents of 10 A attract each other with a force of 1 mN.If both currents are doubled, the force of attraction will be:
A)0.25 mN
B)0.5 mN
C)1 mN
D)2 mN
E)4 mN

Two Parallel Wires Carrying Equal Currents of 10 a Attract