Two long parallel wires kept 2 m apart carry 3A current each, in the same direction. The…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
Two long parallel wires kept 2 m apart carry 3A current each, in the same direction. The force per unit length on one wire due to the other is
- 4.5 \(\times\) 10-5 Nm-1, attractive
- 4.5 \(\times\) 10-7 N/m, repulsive
- 9 \(\times\) 10-7 N/m, repulsive
- 9 \(\times\) 10-5 N/m, attractive
Answer
(D) 9 10 -5 N/m, attractive
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