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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Self Evaluation Test - Electric Chages and Fields

  • question_answer
    If \[{{E}_{q}}\] 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, the n

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

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

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

    D) None of these

    Correct Answer: B

    Solution :

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


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