Two identical wires A B have the same length L carry the

Last updated: 6/25/2023

Two identical wires A B have the same length L carry the same current I Wire A is bent into a circle of radius R and wire B is bent to form a square of side a If B B are magnetic induction at the centre of the circle and the centre of square respectively Then B B is 1 2 3 8 8 2 16 4