39 An equilateral trignale of side length is formed from a

Last updated: 6/24/2023

39 An equilateral trignale of side length is formed from a piece of wire of uniform resistance The current I is fed as shown in the figure Then the magnitude of the magnetic field at the centre O is b 1 2 3 2 l 3 3 3 2 l Mol 2 l 4 zero a