A circular coil of wire consisting of 100 turns, each of radius `8*0cm` carries a current of `0*40A`
Channel: Doubtnut
Date: 2020-08-02

A circular coil of wire consisting of 100 turns, each of radius `8*0cm` carries a current of `0*40A`.  What is the magnetude of the magnetic field `vecB` at the centre of the coil?