In the given figure the magnetic induction at the point O is

The magnetic induction at centre O Fig.

The magnetic induction at centre O Fig.

In the loop shown , the magnetic induction at the point 'O' is

In the loop shown , the magnetic induction at the point ‘O’ is

" A long wire is bent into the hair pin-like shape shown in the figure.The magnetic induction at the point "P" is given by "

In the given figure , the magnetic field at 'O'.