E&M: Gauss' Law. Level 2, Example 2

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E&M: Gauss' Law. Level 2, Example 2

A very long uniform line of charge with a charge density λ1 = 4.80 μC/m lies on the x-axis. A second line of charge with λ2 = –2.40 μC/m lies parallel to it at y = 0.400 m. Find the electric field at (a) y = 0.200 m and (b) y = 0.600 m.
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