A circular loop is kept in that vertical plane which contains the north‐south direction. It carries a current that is towards north at the topmost point. Let 
be a point on the axis of the circle to the east of it and 
a point on this axis to the west of it. The magnetic field due to the loop.
A
is towards east at 
& towards west at 
& towards west at
B
is towards west at 
& towards east at 
& towards east at
C
is towards east at both 
and 
and
D
is towards west at both 
and 
and
Text Solution
Verified by ExpertsThe correct answer is:
D
Using right hand rule the direction of magnetic field is clearly towards west at A and B
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