## 16. A certain series RLC circuit with a 200 Hz, 15 V ac source has the following values: R = 12 Ω, C = 80 µF, and L = 10 mH. The total impedance, expressed in polar form, is

## 17. In a series RLC circuit that is operating above the resonant frequency, the current

## 18. A 12 Ω resistor, a 40 µF capacitor, and an 8 mH coil are in series across an ac source. The resonant frequency is

## 19. A resistor of 3 kΩ, a 0.05 µF capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form?

## 20. In a certain series resonant circuit, V_{C} = 125 V, V_{L} = 125 V, and V_{R} = 40 V. The value of the source voltage is

_{C}= 125 V, V

_{L}= 125 V, and V

_{R}= 40 V. The value of the source voltage is