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  5. Magnetism

12th Class Physics Magnetism Question Bank MCQs - Moving Charges and Magnetism

  • question_answer
    Magnetic field due to a straight solenoid at any point inside it is B =\[{{\mu }_{0}}ni\]. Magnetic field at the end of the solenoid is

    A) B

    B) B/2

    C) 2B

    D) B/4                  

    Correct Answer: B

    Solution :

    Option [b] is correct. Explanation: Magnetic field at the end of a current carrying solenoid is half of the magnetic field inside it.


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