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A half ring of radius `r` has a linear charge density `lambda`.The potential at the centre of the half ring is

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A half ring of radius `r` has a linear charge density `lambda`.The potential at the centre of the half ring is
A. `k(lambda)/(R )`
B. `k(lambda)/(piR)`
C. `k(pilambda)/(R )`
D. `kpilambda`
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1 Answer

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Correct Answer - 4
`q=lambdapir` and `V=(kq)/(v)`
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