MDCAT Physics MCQ #1250

A capacitor of 100 nF is connected in parallel with a resistor of 1 kΩ. What is the impedance at a frequency of 1 kHz?

MDCAT Physics MCQ #1250

  1. Question 1

    Q1. A capacitor of 100 nF is connected in parallel with a resistor of 1 kΩ. What is the impedance at a frequency of 1 kHz?

    • A) 1591 Ω
    • B) 1000 Ω
    • C) 796 Ω
    • D) 500 Ω

    Answer: 796 Ω

    Explanation: Xc = 1 / (2πfC) = 1591 Ω. Z = (R * Xc) / sqrt(R^2 + Xc^2) = 796 Ω.