An element `bar(dl)`=`dx``hat i` (where `dx`=`1mm` ) is placed at origin and carries a large current `i`=`10A` .The magnetic field on the `Z` -axis at a distance of `0.1m` is

An element dvecl=dxhati (where dx=1cm ) is placed at the origin and carries a large current i=10A . What is the magnetic field on the Y-axis at a distance of 0.5m ?

An element dvecl=dxhati (where dx=1cm ) is placed at the origin and carries a large current i=10A . What is the magnetic field on the Y-axis at a distance of 0.5m ?

An element of length vecDeltal=DeltazhatK is placed at origin and carries a large current l=15A. The magnetic field on the y axis at a distance of 0.75 m is (Deltaz=0.75 cm)

An element of 0.05hati m is placed at the origin as shown in figure which carries a large current of 10 A. The magnetic field at a distance of 1 m in perpendicular direction is

Shown in the figure is a conductor carrying a current i. the magnetic field at the origin is :

The magnetic field at a distance r from a long wire carryimg current I is 0.4 T. The magnetic field at a distance 2r is

A solenoid of length 10 cm and radius 1 cm contains 200 turns and carries a current of 10 A. Find the magnetic field at a point on the axis at a distance of 10cm from the centre.

The dipole moment of a short bar magnet is 1.25 A-m^(2) . The magnetic field on its axis at a distance of 0.5 metre from the centre of the magnet is

A thin solenoid of length 0.4 m and having 500 turns of wire carries a current 1A ,then find the magnetic field on the axis inside the solenoid.

Two identical conducting wires AOB and COD are placed at right angles to each other. The wire AOB carries an electric current I_(1) and COD carries a current I_(2) . The magnetic field on a point lying at a distance d from O, in a direction perpendicular to the plane of the wires AOB and COD , will be given by