engineering physics MCQ #60

In an LCR circuit, the voltage across the inductor is 100 V, across the capacitor is 50 V, and across the resistor is 50 V. The supply voltage is

engineering physics MCQ #60

  1. Question 1

    Q1. In an LCR circuit, the voltage across the inductor is 100 V, across the capacitor is 50 V, and across the resistor is 50 V. The supply voltage is

    • A) 100 V
    • B) 50 V
    • C) 70.7 V
    • D) 150 V

    Answer: 70.7 V

    Explanation: V = √(Vr² + (Vl - Vc)²) = √(50² + (100 - 50)²) = √(2500 + 2500) = √5000 = 70.7 V.