The force per unit length between two conductors carrying one ampere current each and separated by a distance of 1 m is
A. 2π × 10-7 N
B. 2 × 10-7 N
C. 4π × 107 N
D. 2π × 107 N
Answer:B
The force per unit length between two conductors carrying one ampere current each and separated by a distance of 1 m is
A. 2π × 10-7 N B. 2 × 10-7 N C. 4π × 107 N D. 2π × 107 N