JEE Main & Advanced Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Graphical Questions

  • question_answer
    The magnetic field due to a straight conductor of uniform cross section of radius a and carrying a steady current is represented by                                                             [AIIMS 2004]

    A)                          

    B)                  

    C)                          

    D)

    Correct Answer: A

    Solution :

               Magnetic field inside the conductor \[{{B}_{in}}\propto r\]and magnetic field outside the conductor \[{{B}_{out}}\propto \frac{1}{r}\](where r is the distance of observation point from axis)


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