Two long parallel wires are at a distance of 1 m. Both of them carry 1A of current. The force of attraction per unit length between the two wires is

Two long parallel wires are at a disttance of 1 m. Both of them carry one ampare of current in the same direction. What is the factor of attraction per unit length between the two wores ?

Two thin long parallel wires separated by a distance 'd' carry current 'I' each. The magnitude of the force per unit length exerted by one wire on the other is______

Two thin long paralel wires separated by a distance b are carrying a current 1 A each. The magnitude of the force per unit length exerted by one wire on the other is

Two thin long paralel wires separated by a distance b are carrying a current 1 A each. The magnitude of the force per unit length exerted by one wire on the other is

Two long and parallel wires are at a distance of 0.1m and a current of 5 A is flowing in each of these wires. The force per unit length due to these wires will be

Two thin long parallel wires separated by a distance 'a' are carrying current I amp each . The magnitude of the force per unit length excited by one wire on the other is