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    Question

    Two spherical conductors of radii 2 cm and 8 cm are

    connected. The ratio of charges on them at equilibrium is:
    A 1: 4 Correct Answer Incorrect Answer
    B 1: 1 Correct Answer Incorrect Answer
    C 2: 1 Correct Answer Incorrect Answer
    D 1: 2 Correct Answer Incorrect Answer

    Solution

    When connected, both spheres attain the same potential. Potential V = q/r β‡’ q₁/r₁ = qβ‚‚/rβ‚‚ β‡’ q₁/qβ‚‚ = r₁/rβ‚‚ So, q₁/qβ‚‚ = 2/8 = 1: 4.

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