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Two parallel infinite line charges with linear charge densities $+ λ C / m$ and $- λ C / m$ are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?

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$\frac{λ}{π ε_{0} R} N / C$

$\frac{λ}{2 π ε_{0} R} N / C$

$Z e r o$

$\frac{2 λ}{π ε_{0} R} N / C$

answer is A.

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Detailed Solution

$E = \frac{λ}{2 π ε_{0} r}; E_{r} = 2 E$

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