engineering physics MCQ #214

In a series LCR circuit, voltage across resistor is 100 V, across inductor is 200 V, and across capacitor is 200 V. Find source voltage.

engineering physics MCQ #214

  1. Question 1

    Q1. In a series LCR circuit, voltage across resistor is 100 V, across inductor is 200 V, and across capacitor is 200 V. Find source voltage.

    • A) 100 V
    • B) 200 V
    • C) 300 V
    • D) 400 V

    Answer: 100 V

    Explanation: At resonance, Vl = Vc, so net voltage is just Vr. Hence, source voltage = Vr = 100 V.