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In the previous problem, if rod is rotated about an axis passing through its mid-point , the potential difference between the ends of rod is
A. `(BomegaL^(2))/(4)`
B. `(BomegaL^(2))/(2)`
C. `(3BomegaL^(2))/(4)`
D. zero

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Best answer
Correct Answer - D
`V_(0)+e_(2)-e_(1)=V_(A) implies V_(0)-V_(A)=0` .
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