The impedance at the resonant frequency of a series circuit with = 2 – McqOptions

MCQOPTIONS

1.	The impedance at the resonant frequency of a series circuit with = 20 mH, = 0.02 F, and = 90 is
A.	0
B.	90
C.	20 k
D.	40 k
Answer» C. 20 k

Discussion

No Comment Found

Related MCQs

Referring to Problem 10, the total current is
A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below is
In a series circuit that is operating above the resonant frequency, the current
A 15 resistor, a 220 H coil, and a 60 pF capacitor are in series across an ac source. What is the bandwidth of the circuit?
A resistor of 3 k, a 0.05 F 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?
A 12 resistor, a 40 F capacitor, and an 8 mH coil are in series across an ac source. The resonant frequency is
The impedance at the resonant frequency of a series circuit with = 20 mH, = 0.02 F, and = 90 is
A 6.8 k resistor, a 7 mH coil, and a 0.02 F capacitor are in parallel across a 17 kHz ac source. The coil's internal resistance, , is 30 . The equivalent parallel resistance, (eq), is
Referring to Problem 20, what is the total parallel resistance ()?
A 200 resistor, a coil with 30 of reactance, and a capacitor of unknown reactance are in series across an ac source. The circuit is at resonance. Circuit impedance