A thin flexible wire of length L is connected to two adjacent fixed points carries a current I in the clockwise direction, as shown in the figure. When system is put in a uniform magnetic field of strength B going into the plane of paper, the wire takes the shape of a circle. The tension in the wire is:
A
IBL
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
For small angles, 
dheta
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