Published by:
CGP EDU Academic Team
Published on: September 11, 2026
The magnetic field at the center of a circular coil of radius r, due to current I flowing through it, is B. The magnetic field at a point along the axis at a distance 
from the center is:
A
B/2
B
2B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
At 
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