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

State Ampere's circuital law . Using it, derive the expression for magnetic field at a point due to a long current carrying conductor .

Find the magnetic induction due to a long straight conductor using Ampere's circuital law.

What is the shape of the magnetic field lines due to a straight current carrying conductor ?

Give the direction of the magnetic field due to a current carrying circular conductor.

The magnetic field at a point due to a current carrying conductor is directly proportional to

The magnetic field at a point due to a current carrying conductor is directly proportional to