12th Class Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Case Based (MCQs) - Alternating Currents

  • question_answer
    Find rms value.

    A) 6 A                              

    B) 5.25 A  

    C) 8.23 A                          

    D) 7.52 A

    Correct Answer: C

    Solution :

    (c) 8.23 A rms value of current. \[l=\frac{{{l}_{0}}}{\sqrt{2}}=\frac{-11.63}{\sqrt{2}}=-8.23\,A\] Negative sign appears as \[\omega L<\frac{1}{\omega C}\].


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