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12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank MCQ - Alternating Currents

  • question_answer
    In LCR-circuit if resistance increases, quality factor:

    A) increases finitely             

    B) decreases finitely

    C) remains constant            

    D) None of these

    Correct Answer: B

    Solution :

    (b) decreases finitely Here,         \[Q=\frac{{{\omega }^{2}}L}{R}\] if R resistance increases, quality factor Q decreases finitely.


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