A series RLC circuit is driven by a 1.0-kHz oscillator. The circuit parameters are L = 5.0 mH, C = 4.0 μF, R = 10 Ω. What is the impedance of this circuit?
A) 8.4 Ω
B) 10 Ω
C) 13 Ω
D) 0.24 kΩ
E) 81 Ω

Question

Quizplus · Accepted Answer

The impedance Z of a series RLC circuit is given by Z = √(R² + (XL - XC)²), where XL = 2πfL and XC = 1/(2πfC). For f = 1000 Hz, L = 5.0 mH, and C = 4.0 μF, calculate XL and XC, then find Z.

A Series RLC Circuit Is Driven by a 1