Two charges \(Q\) and \(3Q\) are kept in a line separated by a distance \(R\). Electric field is zero at a distance x from \(Q\). Find the value of \(x\).

Question

Six point charges are kept \(60^\circ\) apart from each other on the circumference of a circle of radius \( R \) as shown in figure. The net electric field at the center of the circle is ___________. (\( \varepsilon_0 \) is permittivity of free space)

Answer 1

The correct answer is: \(\frac{(\sqrt{3}-1R)}2\)

Two charges \(Q\) and \(3Q\) are kept in a line separated by a distance \(R\). Electric field is zero at a distance x from \(Q\). Find the value of \(x\).

Solution and Explanation

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