engineering physics MCQ #158

The voltage across a capacitor is 100 V, 50 Hz. If C = 10 μF, what is the current?

engineering physics MCQ #158

  1. Question 1

    Q1. The voltage across a capacitor is 100 V, 50 Hz. If C = 10 μF, what is the current?

    • A) 0.314 A
    • B) 3.14 A
    • C) 0.157 A
    • D) 1.57 A

    Answer: 0.314 A

    Explanation: Use Xc = 1 / (2πfC) and I = V / Xc: I = 100 / (1 / (2 * 3.14 * 50 * 10e-6)) = 0.314 A.