12th Class Physics Magnetic Effects of Current / करंट का चुंबकीय प्रभाव Question Bank Assertion And Reason (MCQs) - Moving Charges and Magnetism

  • question_answer
    ASSERTION: Cyclotron does not accelerate electrons.
    REASON: Mass of electrons is very small.

    A) If both assertion and reason are true and reason is the correct explanation of assertion.

    B) If both assertion and reason are true and reason is not the correct explanation of assertion.

    C) If assertion is true but reason is false.

    D) If both assertion and reason are false.

    E) If assertion is false but reason is true.

    Correct Answer: A

    Solution :

    Any charged particle can be accelerated with the help of a cyclotron but in the case of an electron, being very light, the process of accelerating the electron with a cyclotron relativistically unfavourable. Very easily it will attain a velocity at which it will show relativistic effects.


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