MDCAT Physics MCQ #238

A 20 ohm resistor and 20 ohm capacitor are connected in series. What is the capacitive reactance?

MDCAT Physics MCQ #238

  1. Question 1

    Q1. A 20 ohm resistor and 20 ohm capacitor are connected in series. What is the capacitive reactance?

    • A) 5 ohm
    • B) 10 ohm
    • C) 15 ohm
    • D) 20 ohm

    Answer: 15 ohm

    Explanation: The correct answer is C because the capacitive reactance is inversely proportional to the frequency and capacitance.