A current 
a flows in a circular arc of radius 
subtending an angle 
as shown in the figure. Find the magnetic field at the centre 
of the circle.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Magnetic field at the centre due to current carrying circular loop is given as
……(i)
Magnetic field due to current carrying circular arc making an angle 
at the center, is given as
[From Eq. (i)]
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
The distance moved by a charged particle along the magnetic field (the component of velocity is par…
If ' ' is electric charge, is magnetic field, ' ' is the dee radius and ' ' is the mass of ions…
A charged particle when enters a uniform magnetic field moves in a helical path. If its angular vel…
The magnetic force is
A charge ' ' moves with a velocity along -axis in a uniform magnetic field , then charge will e…
An observer at rest experiences an electric field due to a static charge. Later he starts moving aw…