CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2011

  • question_answer
    If C be the capacitance and V be the electric potential, then the dimensional formula of \[C{{V}^{2}}\] is

    A)  \[[M{{L}^{2}}{{T}^{-2}}{{A}^{0}}]\]         

    B)  \[[ML{{T}^{-2}}{{A}^{-1}}]\]

    C)  \[[{{M}^{0}}L{{T}^{-2}}{{A}^{0}}]\]         

    D)  \[[M{{L}^{-3}}TA]\]

    Correct Answer: A

    Solution :

    We know,                 Energy, \[E=C{{V}^{2}}\] Dimensions of \[C{{V}^{2}}=\] Dimensions of energy                                 \[=[M{{L}^{2}}{{T}^{-2}}]\]


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