A conducting 
of length 
is rotated about a point O in a uniform magnetic field 
, directed into the paper. 
and 
, If then
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
We know, 
For 
… (i)
For 
… (ii)
From equation (i) and (ii), we get
or 
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