The magnetic field at the center of a current carrying loop of radius 
is 
times that at a point along its axis. The distance of this point from the center of the loop is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Let us consider a point 
at a distance 
from the centre of loop, where magnetic field is given by 
. ( 
is the magnetic field at center).
If current 
is flowing through loop and radius of loop is 
, then
According to question,
or 
or 
Here, 
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