NEET Physics Mathematical Tools, Units & Dimensions Question Bank Dimensions

  • question_answer
    If \[C\] and \[R\] represent capacitance and resistance respectively, then the dimensions of \[RC\] are [CPMT 1981, 85; CBSE PMT 1992, 95; Pb. PMT 1999]

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

    B)             \[{{M}^{0}}{{L}^{0}}T\]

    C)             \[M{{L}^{-1}}\]      

    D)             None of the above

    Correct Answer: B

    Solution :

                     \[RC=T\]                         ∵ \[[R]=[M{{L}^{2}}{{T}^{-3}}{{I}^{-2}}]\] and \[[C]=[{{M}^{-1}}{{L}^{-2}}{{T}^{4}}{{I}^{2}}]\]


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