JEE Main & Advanced Physics Magnetism Question Bank Magnetic Equipments

  • question_answer
    Keeping dissimilar poles of two magnets of equal pole strength and length same side, their time period will be [DPMT 2001]

    A)            Zero                                         

    B)            One second

    C)            Infinity                                    

    D)            Any value

    Correct Answer: C

    Solution :

               \[T=2\pi \sqrt{\frac{{{I}_{1}}+{{I}_{2}}}{({{M}_{1}}-{{M}_{2}}){{B}_{H}}}}\] Here \[{{M}_{1}}={{M}_{2}}=M,\ \ \therefore T=\infty \]


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