A wire shaped to a regular hexagon of side `2 cm` carries a current of `2A`. Find the magnetic field at the cetre of the hexagon.

Draw a regular hexagon of side 5 cm.

The area of a regular hexagon of side 2sqrt3 cm is :

The area of a regular hexagon of side 2sqrt(3) cm is :

A closed circuit is in the form of a regular hexagon of side r. If the circuit carries current I, what is the magnetic field induction at the centre of the hexagon?