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12th Class Physics Electro Magnetic Induction Question Bank MCQ - Electromagnetic Induction

  • question_answer
    Which of the following units denotes the dimension \[\frac{M{{L}^{2}}}{{{Q}^{2}}}\], where Q denotes the electric charge?

    A) \[\text{weber/}{{\text{m}}^{\text{2}}}\]           

    B) Henry(H)

    C) \[H/{{m}^{2}}\]                     

    D) weber

    Correct Answer: B

    Solution :

    (b) Henry(H)                 Dimension of Henry \[=[M{{L}^{2}}{{T}^{-2}}{{A}^{-2}}]\] Dimension of charge = [AT]                         ...(1) \[\therefore \]      Dimension of Henry \[=[M{{L}^{2}}{{(AT)}^{-2}}]\]                         \[=[M{{L}^{2}}{{Q}^{-2}}]\]                     [from(1)]                         \[\left[ \frac{M{{L}^{2}}}{{{Q}^{2}}} \right]\]


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