Consider a circle of radius R. A point charge lies at a distance \( \mathrm{a} \) from its cente...

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Consider a circle of radius R. A point charge lies at a distance \( \mathrm{a} \) from its center and on its axis such that \( \mathrm{R}=\mathrm{a} \sqrt{3} \). If electric flux passing through the circle is \( \phi \) then the magnitude of the point charge is:-
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