As the ac frequency in an RLC circuit is increased to very high values, which of the contributions to the impedance dominates?
A) the capacitive reactance
B) the inductive reactance
C) the resistance
D) the combined capacitive reactance and the resistance
E) More information is needed.

Question

Quizplus · Accepted Answer

At very high frequencies, the inductive reactance dominates over the capacitive reactance, making it the main contributor to the impedance. This is because the inductive reactance increases with frequency, while the capacitive reactance decreases.

As the Ac Frequency in an RLC Circuit Is Increased