Write the expression for the magnetic field at a point due to a current element.

Can a current carrying circular loop act as a magnetic dipole? Give the expression for the magnetic field at a point, due to a current carrying circular loop.

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

Write Biot Savart expression for the magnetic field due to a current element in vector form.

Write expression for the magnetic flux density at a point due to a current carrying wire of: a finite length?

Write expression for the magnetic flux density at a point due to a current carrying wire of: an infinite length?

Write the expression for magnetic dipole moment due to a current loop.

Write the expression for the magnetic field at a point on the axis of a long solenoid carrying current and give the meaning of the symbols used.