RAJASTHAN PMT Rajasthan - PMT Solved Paper-2003

  • question_answer
    The electric field and potential inside a hollow sphere of radius R and uniformly charged with charge q is

    A)  \[0,0\]                                 

    B)  \[0,\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{q}{R}\]

    C)  \[\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{q}{{{R}^{2}}}\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{q}{R}\]       

    D)  \[\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{q}{{{R}^{2}}}0\]

    Correct Answer: B

    Solution :

    Inside a hollow sphere,\[E=0\]and potential is same as on the surface. \[\therefore \]  \[{{V}_{in}}=\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{Q}{R}\]


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