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AMU Medical AMU Solved Paper-1995

  • question_answer
    An electric dipole of moment p is placed in a uniform electric field E. The couple required to rotate it through an angle 9 from the initial position is

    A)  \[pE\tan \theta \]

    B)  \[pE\cos \theta \]

    C)  \[-pE\cos \theta \]

    D)  \[pE\sin \theta \]

    Correct Answer: D

    Solution :

    : Couple on a dipole\[=pEsin\theta \].


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