Two identical wires A and B each of length e carry the same

Last updated: 6/4/2023

Two identical wires A and B each of length e 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 BA and BB are the values of BA is 2016 BB magnetic field at the centres of the circle and square respectively then the ratio 1 3 7 16 2 77 8 2 2 4 TT 16 8