The magnetic field `dvecB` due to a small current element `dvecl` at a distance `vecr` and element carrying current `i` is,

The magnetic field bar(dB) due to a small current element bar(dl) at a distance vec(r) and carrying current 'I' is

The magnetic field bar(dB) due to a small current element bar(dl) at a distance vec(r) and carrying current 'I' is

The magnetic field (dB) due to a small element. (dl) at a distance (vecr) and element carrying current I is

The magnetic field due to a current element is independent of :

State Biot Savart's law. A current I flows in a conductor placed perpendicular to the plane of paper. Indicate the direction of the magnetic field due to a small element dvecl at a point P at a distance vecr from the element as shown in figure.

A current I flows in a conductor placed perpendicular to the plate of the paper. Indicate the direction of the magnetic field due to a small element dvecl at point P situated at a distance vecr from the element as shown in the figure.

A current 'I' flows in a conductor placed perpendicular to the plane of paper. Indicate the direction of the magnetic field due to a small element d vecl at a point P situated at a distance vecr from the element as shown in the figure HQ 1.

The magnetic field induction at a point due to a current element is given by