JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Biot-savart's Law and Amperes Law

  • question_answer
    The dimension of the magnetic field intensity B is  [MP PET 2001]

    A)            \[ML{{T}^{-2}}{{A}^{-1}}\]     

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

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

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

    Correct Answer: B

    Solution :

               \[F=Bil\]Þ \[[B]=\frac{[F]}{[i][l]}=\frac{ML{{T}^{-2}}}{AL}=M{{T}^{-2}}{{A}^{-1}}\]


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