Two parallel wires 2 m apart carry currents of 2 A and 5 A respectively in same direction, the force per unit length acting between these two wires is

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

Two parallel wires 1 m apart carry currents of 1A and 3 A respectively in opposite directions. The force per unit length acting between two wires is:

Two long parallel wires are 30 cm apart carrying currents 10 A and 15 A respectively in the same direction. The force acting over a length of 5 m of the wires is

Two long parallel wires are 30 cm apart carrying currents 10 A and 15 A respectively in the same direction. The force acting over a length of 5 m of the wires is

Two long parallel wires are carrying currents of 5 A and 12 A respectively. If the force per unit length between these wires is 3 xx 10^-5 N m^-1 , the distance between them should be

Find the force per unit length between the parallel wires kept 0.1m apart and carrying a current of 2A and 3A respectively in the same direction. What is the nature of the force?

Two long parallel wires are 0.4 m apart in air and carry currents of 5 A and 12 A respectively. Calculate the force on each metre of the wire, fi the currents are in the same direction .