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Grade 12th passAIPMT

Find the electric potential at point O.

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Profile image of NISHA
8 Years agoGrade 12th pass
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1 Answer

Profile image of Vikas TU
6 Years ago
Here the sector is 1/6 of a circle
q=λ2πr
so charge on the ector will be q/6
q'=λπr/3
V=q'/4πεor=(λπr/3)/4πεor
V=9×10^9×4×3.14/3
V=3.8×10^10V

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