Two thin, long, parallel wires, separated by a distance 'd' carry a current of 'i' A in the same direction. They will

Two long parallel wires are separated by a distance of 2m. They carry a current of 1A each in opposite direction. The magnetic induction at the midpoint of a straight line connecting these two wires is

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 parallel wires separated by a distance 'b' carry a current ' i ' ampere each, the magnitude of force per unit length exerted by one wire on the other is

Two thin long parallel wires seperated by a distance 'b' are carrying a current ' I' amp each . The magnitude of the force3 per unit length exerted by one wire on the other is