Figure shows three circular arcs, each of radius $R$ and total charge as indicated. The net electric potential at the centre of curvature is
  • A$\frac{Q}{{4\pi { \in _0}R}}$
  • B$\frac{Q}{{2\pi { \in _0}R}}$
  • C$\frac{2Q}{{\pi { \in _0}R}}$
  • D$\frac{Q}{{\pi { \in _0}R}}$
Medium
art

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