Calculate the force per unit length on a long straight wire carrying a current of 4A due to par allel wire carrying 6A current. Distance between the wires is 3 cm.

A current carrying conductor placed in a magnetic field experiencesa force. Calculate the force per unit length on along straight wire carrying a current of 4A due to parallel wire carrying 6A current. Distance between the wires is 3 cm.

Write down a relation for the force per unit length between two parallel conductors carrying current.

The total momentum of electrons in a straight wire of copper of length 1m carrying a current of 16A is