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Potential of a charged spherical shell or conductor inside and outside it

This type of question, asked 3 times: 31 Jan 2023, 6 Apr 2023, 3 Apr 2025. All 3 questions below, oldest first.

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  1. Question 1

    31 Jan 2023

    17
    Which of the following correctly represents the variation of electric potential (V) of a charged spherical conductor of radius (R)(R) with radial distance (r)(r) from the center?

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  2. Question 2

    6 Apr 2023

    13
    For a uniformly charged thin spherical shell, the electric potential (V)(V) radially away from the center (O) of shell can be graphically represented as

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  3. Question 3

    3 Apr 2025

    14
    The electrostatic potential on the surface of uniformly charged spherical shell of radius R=10 cmR = 10\text{ }cm is 120 V . The potential at the centre of shell, at a distance r=5 cmr = 5\text{ }cm from centre, and at a distance r=15 cmr = 15\text{ }cm from the centre of the shell respectively, are :

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