Question 1036 of 749 · Maryland Journeyperson Electrician Exam
As the supply frequency increases, the capacitive reactance of a capacitor:
Exactly one answer is correct.
You got of questions right. Here on the question pages nobody remembers which ones you got wrong. The trainer saves your progress and asks the mistakes again until they stick.
Or free: the 10 questions most people get wrong
Show solution
Correct answer to question 1036
- C: Decreases
Explanation
Capacitive reactance is XC = 1 / (2 x pi x f x C). Because frequency is in the denominator, a higher frequency means a lower reactance.
More questions: Definitions, Theory and Plans
- 1037The total opposition to current flow in an AC circuit, combining resistance and reactance, is called:
- 1038A series AC circuit has 3 ohms of resistance and 4 ohms of inductive reactance. What is the impedance?
- 1039The unit of inductance is the:
- 1040Once fully charged in a steady DC circuit, a capacitor:
- 1041Capacitors connected in parallel have a total capacitance that is:
- 1042A series RLC circuit is at resonance when: