Multiple Choice
Two parallel wires, 4 cm apart, carry currents of 2 A and 4 A respectively, in the same direction. The force per unit length in N/m of one wire on the other is:
A) 1 * 10-3, repulsive
B) 1 *10-3, attractive
C) 4 * 10-5, repulsive
D) 4 *10-5, attractive
E) none of these
Correct Answer:

Verified
Correct Answer:
Verified
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