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

  • question_answer
    In series LCR circuit, the phase angle between supply voltage and current is:

    A) \[\tan \,\phi =\frac{{{X}_{L}}-{{X}_{C}}}{R}\]

    B) \[\tan \,\phi =\frac{R}{{{X}_{L}}-{{X}_{C}}}\]

    C) \[\tan \,\phi =\frac{R}{{{X}_{L}}+{{X}_{C}}}\]          

    D) \[\tan \,\phi =\frac{{{X}_{L}}+{{X}_{C}}}{R}\]

    Correct Answer: A

    Solution :

    (a) \[\tan \,\phi =\frac{{{X}_{L}}-{{X}_{C}}}{R}\]


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