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

  • question_answer
    If \[{{E}_{a}}\] be the electric field strength of a short dipole at a point on its axial line and \[{{E}_{e}}\] that on the equatorial line at the same distance, then [MP PET 1999; J & K CET 2004]

    A)                    \[{{E}_{e}}=2{{E}_{a}}\]

    B)                                      \[{{E}_{a}}=2{{E}_{e}}\]

    C)                    \[{{E}_{a}}={{E}_{e}}\]

    D)                                      None of the above

    Correct Answer: B

    Solution :

               We have \[{{E}_{a}}=\frac{2kp}{{{r}^{3}}}\] and \[{{E}_{e}}=\frac{kp}{{{r}^{3}}};\]  \\[{{E}_{a}}=2{{E}_{e}}\]


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