Question

Find the direction of magnetic field due to a current carrying circular coil held :
(i) Vertically in North - South plane and an observer looking it from east sees the current to flow in anticlockwise direction.
(ii) Vertically in East - West plane and an observer looking it from south sees the current to flow in anticlockwise direction.
(iii) Horizontally and an observer looking at it from below sees current to flow in clockwise direction.

Answer 1

If current flows in anticlockwise direction it means that the side represents north pole.

If current flows in clockwise direction it is then South pole.


- Maheshwaran.

Answer 2

(i) towards south in upward direction
(ii) towards west in upward direction.
(iii) towards upward direction