12th Class Physics Sample Paper Physics Sample Paper-14

  • question_answer
    Can a straight wire act as an inductor? Two identical loops, one of copper and other of aluminium are rotated with the same speed, in a uniform magnetic field acting normal to the plane of the loops. State with reasons, for which of the coils
    (i) induced emf, will be more.
    (ii) induced current, will be more.

    Answer:

    (i) same
    (ii) copper


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