A wire carrying current I has the shape as shown in adjoining figure. Linear parts of the wire are very long and parallel to X-axis while semicircular portion of radius R is lying in 
plane. Magnetic field at point O is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The magnetic field in the different regions is given by
The net magnetic field at the center O is
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