The magnetic field due to current carrying a circular loop of radius 
at a point on the axis at a distance of 
from the centre is 
. The magnetic field at the centre of the loop is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given,
The magnetic field at a point on axis of current carrying circular loop is equal to
The magnetic field at the center of loop is
As 
at center
dividing 
by 
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