If same current 'I' is flowing through two parallel wires, separted by the distance 'b' in air, then
Channel: Doubtnut
Date: 2020-05-31

If same current 'I' is flowing through two parallel wires, separted by the distance 'b' in air, then force acting per unit length of wires will be `(mu_(0)="permeability of free space")`