A very long cylindrical wire is carrying a current 
distributed uniformly over its cross-section area. 
is the centre of the cross-section of the wire and the direction of current is into the plane of the figure. The value of 
along the path 
(from 
to 
) is
Text Solution
Verified by ExpertsC
According to Ampere's circuital law
∵ Current enclosed in 
or 
circular loop is 
∴ Current enclosed in 
or 
area is 
For the closed path 
by the Ampere's law
Since the magnetic field is perpendicular to the paths 
and 
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems