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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Electric Dipole

  • question_answer
    The potential at a point due to an electric dipole will be maximum and minimum when  the angles between the axis of the dipole and the line joining the point to the dipole are respectively                                              [MP PMT 2002]

    A)            \[{{90}^{o}}\] and \[{{180}^{o}}\]

    B)                                      \[{{0}^{o}}\] and \[{{90}^{o}}\]

    C)            \[{{90}^{o}}\] and \[{{0}^{o}}\]

    D)                                      \[{{0}^{o}}\] and \[{{180}^{o}}\]

    Correct Answer: D

    Solution :

               \[V=\frac{p\cos \theta }{{{r}^{2}}}\] If q = 0° then \[{{V}_{a}}=\max .\]            If \[\theta =180{}^\circ \] then \[{{V}_{e}}=\min \].


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