CMC Medical CMC-Medical Ludhiana Solved Paper-2014

  • question_answer
    Dimension of self-inductance are

    A)  \[[ML{{T}^{-2}}{{A}^{-3}}]\]                      

    B)  \[[M{{L}^{-2}}{{T}^{-2}}{{A}^{-1}}]\]

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

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

    Correct Answer: C

    Solution :

                    Sl unit of self-inductance is \[\frac{N\text{-}m}{{{A}^{2}}}\] and its dimensions are \[[M{{L}^{2}}{{T}^{-2}}{{A}^{-2}}]\,.\] But its practical unit is henry (H).


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