Magnetic field (Question 2 (10 Marks)) — UPSC Physics Optional IFoS 2022 Paper I

A wire in the form of a hexagon is just enclosed by a circle of radius 10\text{ cm}. If the current in the wire is 1\text{ A}, find the magnetic field at the centre of the hexagon. What would be the direction of the field if the current flows in the anti-clockwise direction ?