In the diagram, 
are the strength of the currents in the loop and straight conductors respectively, 
. The net magnetic field at the center O is zero, then the ratio of the currents in the loop and the straight conductor is
A
π
B
2π
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Given that, the net magnetic field at the center O is zero. Therefore, magnetic field at O due to circular coil and straight conductor must be equal and opposite in direction.
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