MHT CET 2024 Physics question
A circular arc of radius r carrying current 'I' subtends an angle at its centre. The radius of a metal wire is uniform. The magnetic induction at the centre of circular arc is ( = permeability of free space)
Answer: (2)
Solution
For a circular arc subtending angle (in radians) at the centre, (a full circle, , gives ). Substituting : ,
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account