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Two point charges of $+0.2 \mu \mu C$ and $-0.2 \mu \mu C$ are separated by $10^{-8} m$. Determine the electric field at an axial point at a distance of $0.1\; m$ from their mid-point. Use the standard value of $\in_0$.

1 Answer

The standard value of $\in_0$ is $3.6 \times 10^{-8} NC^{-1}$
Hence C is the correct answer.
answered Jun 3, 2014 by meena.p

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