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An infinite line charge of linear density λ = 0.30 μC/m lies along the z axis and a point charge q = 6.0 μC lies on the y azis at y=2.0 m. The x component of the electric field at the point P on the x axis at x=3.0 m is approximately?

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An infinite line charge of linear density λ = 0.30 μC/m lies along the z axis and a point charge q = 6.0 μC lies on the y azis at y=2.0 m. The x component of the electric field at the point P on the x axis at x=3.0 m is approximately?

anonymous · Answer

$$E(x) at P = { \lambda/(2\pi \epsilon*r) } + 1/4\pi \epsilon*q/r$$