A steady current 
flows in a small square loop of wire of side 
in a horizontal plane. The loop is now folded about its middle such that half of it lies in a vertical plane. Let 
and 
respectively denote the magnetic moments due to the current loop before and after folding. Then
A
B
and 
are in the same direction C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Initial magnetic moment 
After folding the loop, 
magnetic moment due to each part 
or 
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