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

  • question_answer
    In a purely resistive AC circuit, the current:

    A) is in phase with the e.m.f.

    B) leads the e.m.f. by a difference of \[\pi \] radian phase

    C) leads the e.m.f. by a phase difference of \[\pi /2\] radians

    D) lags behind the e.m.f. by phase difference of \[\pi /4\] radians

    Correct Answer: A

    Solution :

    (a) is in phase with the e.m.f. The current is in phase with the e.m.f.


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