The radius of a coil of wire with N turns is 0.22m, and 3.5Acurrent flows clockwise in the coil as
Channel: Doubtnut
Date: 2021-11-02

The radius of a coil of wire with N turns is 0.22m, and 3.5Acurrent flows clockwise in the coil as shown.Along straight wire carrying a current 54A toward the left is located 0.05 m from the edge of the coil. The magnetic field at the centre of the coil is zero tesla. The number of turns Nin the coil are: