Three point charges...| Electrostatics|JEE-Main 2023

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JEE MAIN 2023

13-04-2023 S2

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Three point charges $q,-2 q$ and $2 q$ are placed on $x$-axis at a distance $x=0, x=\frac{3}{4} R$ and $x=R$ respectively from origin as shown. If $q=2 \times 10^{-6} \mathrm{C}$ and $R=2 \mathrm{~cm}$, the magnitude of net force experienced by the charge $-2 q$ is____________N.

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