When the frequency of the oscillator in a series RLC circuit is doubled:
A) the capacitive reactance is doubled
B) the capacitive reactance is halved
C) the impedance is doubled
D) the current amplitude is doubled
E) the current amplitude is halved

Question

Quizplus · Accepted Answer

The capacitive reactance (Xc) in a circuit is given by the formula Xc = 1/(2πfC), where f is the frequency and C is the capacitance. When the frequency is doubled, the capacitive reactance is halved, according to this formula.

When the Frequency of the Oscillator in a Series RLC