Q.

Force per meter on two wires carrying a current of 1 A placed 1 m apart is equal to {{}}

A. 6.7 × 10 -11 N
B. 9.0 × 10 9 N
C. 2.0 × 10 -7 N
D. 3.0 × 10 -4 N
Answer» C. 2.0 × 10 -7 N
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