In figure is shown a circular loop carrying current I. Show the direction of the magnetic field with the help of lines of force.

In the diagram below is shown a circular loop carrying current I. show that the direction of magnetic field with the help of lines of force.

In the diagram shown is ciruclar loop carrying current I. show the direction of the magnetic field with the help of lines of force.

The figure shows a point PO on the axis of a circular loop carrying current I . The corect direction of magnetic field vector at P due to dI is respectively by

The figure shows a point PO on the axis of a circular loop carrying current I . The correct direction of magnetic field vector at P due to dI is respectively by

A current carrying circular coil is bent so as to convert it into a double loop, both the loops being concentric and are carrying current in the same direction. If B is the initial magnetic field at the centre, the final magnetic field at the centre will be