The ratio of electric potentials at the point $E$ to that at the point $F$ is
  • A$\left( {\frac{{\sqrt 5  - 1}}{{\sqrt 5 }}} \right)$
  • B$-\left( {\frac{{\sqrt 5  - 1}}{{\sqrt 5 }}} \right)$
  • C$\sqrt 2$
  • D
    Zero
Medium
art

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