VIT Engineering VIT Engineering Solved Paper-2011

  • question_answer
    In an electromagnetic wave, the average energy density associated with magnetic field is

    A)  \[L{{i}_{0}}^{2}/2\]         

    B)  \[{{B}^{2}}/2{{\mu }_{0}}\]

    C)  \[{{\mu }_{0}}{{B}^{2}}/2\]      

    D)  \[{{\mu }_{0}}/2{{B}^{2}}\]

    Correct Answer: B

    Solution :

    \[{{E}_{mag}}=\frac{{{B}^{2}}}{2{{\mu }_{0}}}\]


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