For `c=2a` if, the magnetic field at point P will be zero when

For c = 2 a and a lt b lt c , the magnetic field at the point P will be zero when

For c=2a and c lt b lt c , the magnetic field at the point P will be zero when-

For c=2a and c lt b lt c , the magnetic field at the point P will be zero when-

The magnetic field at centre , P will be

In Fig, find the magnetic field at point P.

In Fig, find the magnetic field at point P.

Refer to figure, where c=3a and altbltc , the magnetic field induction at point O will be zero due to current I in the various portion of the network when

For adjoining fig, The magnetic field at point, 'P' will be:

For adjoining fig, The magnetic field at point, 'P' will be:

Find the magnetic field at point P in following cases