The maximum value of electric field on the axis of a charged ring having charge $Q$ and radius $R$ is
The maximum value of electric field on the axis of a charged ring having charge $Q$ and radius $R$ is
- A
$\frac{1}{{4\pi { \in _0}}}\frac{Q}{{{R^2}}}$
- B
$\frac{1}{{4\pi { \in _0}}}\frac{{2Q}}{{3\sqrt 3 {R^2}}}$
- C
$\frac{1}{{4\pi { \in _0}}}\frac{{2\sqrt 2 Q}}{{3{R^2}}}$
- D
$\frac{1}{{4\pi { \in _0}}}\frac{Q}{{3{R^2}}}$
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