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The maximum electric field intensity on the axis of a uniformly charged ring of charge q and radius R will be |
$\frac{1}{4 \pi \varepsilon_0} \frac{q}{3 \sqrt{3} R^2}$ $\frac{1}{4 \pi \varepsilon_0} \frac{2 q}{3 R^2}$ $\frac{1}{4 \pi \varepsilon_0} \frac{2 q}{3 \sqrt{3} R^2}$ $\frac{1}{4 \pi \varepsilon_0} \frac{3 q}{2 \sqrt{2} R^2}$ |
$\frac{1}{4 \pi \varepsilon_0} \frac{2 q}{3 \sqrt{3} R^2}$ |
Maximize the expression of electric field on the axis of ring. |
