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  5. Electro Magnetic Induction

12th Class Physics Electro Magnetic Induction Question Bank MCQ - Electromagnetic Induction

  • question_answer
    The self inductance L of a solenoid of length l and area of cross-section A, with a fixed number of turns N increases as:                                                                                            (NCERT EXEMPLAR)

    A) l and A increases

    B) l decreases and A increases

    C) l increases and A decreases

    D) Both l and A decreases

    Correct Answer: B

    Solution :

    (b) l decreases and A increases


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