Question

Consider a configuration with a charge density, ρ = ρ0x, 0 ≤ x ≤ d, and...

Consider a configuration with a charge density, ρ = ρ0x, 0 ≤ x ≤ d, and ρ = 0 elsewhere, where ρ0 is a constant. What is the resulting electric field as a function of position?

I am confused about how would I answer this without knowing the shape of the charge configuration.

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