In an RLC series circuit the capacitive reactance is 19.5 Ω.If the AC frequency triples,what will be the resulting capacitive reactance?
A)11.3 Ω
B)6.5 Ω
C)33.8 Ω
D)58.5 Ω
E)Additional information is need to find the value.

Question

Quizplus · Accepted Answer

The capacitive reactance (Xc) is inversely proportional to the frequency (f), given by the formula Xc = 1/(2πfC), where C is the capacitance. If the frequency triples, the new capacitive reactance will be one-third of the original, so 19.5 Ω / 3 = 6.5 Ω.

In an RLC Series Circuit the Capacitive Reactance Is 19