A long conducting wire carrying a current I is bent at  `120^(@) `( see figure). The magnetic
Channel: Doubtnut
Date: 2021-11-08

A long conducting wire carrying a current I is bent at  `120^(@) `( see figure). The magnetic field B at a point P on the right bisector of bending angle at a distance d from the bend is   `(mu_(0)` is the permeability of free spac