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    Question

    A non-conducting sphere of radius R has a radially

    varying charge density ρ(r) = k•r. Find the electric field at a distance r < R.
    A kr²/4ε₀ Correct Answer Incorrect Answer
    B kr³/5ε₀ Correct Answer Incorrect Answer
    C kr⁴/10ε₀ Correct Answer Incorrect Answer
    D kr²/6ε₀ Correct Answer Incorrect Answer

    Solution

    To find the electric field at a distance r\ Consider a Gaussian surface as a sphere of radius r (r

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