Two-point charge \( -q \) and \( +q / 2 \) are situated at the origin and at the point \( (a, 0,.... VIDEO
Two-point charge \( -q \) and \( +q / 2 \) are situated at the origin and at the point \( (a, 0,0) \) respectively. The
\( \mathrm{P} \)
point along the \( X \)-axis where the electric field vanishes is
(A) \( x=\frac{a}{\sqrt{2}} \)
(B) \( x=\sqrt{2} a \)
(C) \( x=\frac{\sqrt{2} a}{\sqrt{2}-1} \)
(D) \( x=\frac{\sqrt{2} a}{\sqrt{2}+1} \)
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