Published by:
CGP EDU Academic Team
Published on: September 12, 2026
A very long wire 
is shown in figure carrying current 
. 
and 
parts are straight, long and at right angle. At 
wire forms a circular turn 
of radius 
. 
parts are tangential to circular turn at 
and 
. Magnetic field at the center of circle is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2020
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