A square loop of side 
, and carrying current 
, is kept in 
plane with its centre at origin. A long wire carrying the same current I is placed parallel to the z-axis and passing through the point (0, b, 0),(b>>a). The magnitude of the torque on the loop about z-axis is given by
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
toward wire
away from wire
Torque about 
-axis
for 
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