RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

  • question_answer
    Dimensions of \[\frac{R}{L}\]are

    A)  \[[{{T}^{2}}]\]                                  

    B)  \[[T]\]

    C)  \[[{{T}^{-1}}]\]                

    D)         \[[{{T}^{-2}}]\]

    Correct Answer: C

    Solution :

    \[\frac{L}{R}\]is the time constant of a \[L-R\] circuit. \[\therefore \]  Dimension of\[\left( \frac{R}{L} \right)=\]dimension of\[\frac{1}{T}\]                                                   \[=[{{T}^{-1}}]\]


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