Magnetic induction at point P from shown current-carrying long conductors is given by-

Magnetic induction at a point due to a small element of current carrying conductor is

Magnetic induction at a point due to a small element of current carrying conductor is

Magnetic field at a point on the line of current carrying conductor is

The magnetic field near a current carrying conductor is given by

The magnetic field near a current carrying conductor is given by

Derive an expression for the magnetic induction at a nearby point of a straight and long current-carrying conductor. Discuss the nature of the magnetic lines of induction.

Find the magnetic induction due to a long current carrying conductor.

The magnetic induction at a point 4cm from a long current carrying Wire is 10^-3 T . What is the field of induction at a distance 12 cm from the current carrying wire?