engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Moving Charges and Magnetism Magnetic Force - Definition of B
Two parallel wires 1 m apart carry currents of 1 A and 3 A respectively in opposite directions. The force per unit length acting between these two wires is
1
6 × 10-7 Nm-1 repulsive
2
6 × 10-7 Nm-1 attractive
3
6 × 10-5 Nm-1 repulsive
4
6 × 10-5 Nm-1 attractive