The magnitude of magnetic force per unit length between two

Last updated: 6/24/2023

The magnitude of magnetic force per unit length between two parallel wire having currents 12 and placed at distance d apart is given by Fm H L 2nd and the magnitude of electric force between two charges Q and Q2 placed at distance r apart is given by 1 Q Q 4ne The electric resistance of medium depends upon permeability and permitivity e as given below R b Then a 21 1 b 2 1 2 a 21 6 1 12