A loop carrying current I lies in the x-y plane as shown in the figure. the unit vector 
is coming out of the plane of the paper. the magnetic moment of the current loop is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Area of the given loop is
(area of two circles of radius 
and area of a square of side a)
From screw law direction of 
is outwards or in positive 
-direction.
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