Question 1

At resonance, a parallel RLC circuit is capacitive.

Accepted Answer

A) True 
 B)False

Question 2

In a parallel RLC just below the resonant frequency, the impedance is:

Accepted Answer

A)  more capacitive. 
B)  at maximum. 
C)  more inductive. 
D)  at minimum. 
A)  more capacitive. 
B)  at maximum. 
C)  more inductive. 
D)  at minimum.

Question 3

What is the lower cut off frequency in an RLC resonant circuit if the inductive reactance is  1.2$k \Omega$ the resonant frequency is  22 kHz and the resistance is     ?

Accepted Answer

A)   21.7 kHz 
B)   21.8 kHz 
C)   21.5 kHz 
D)   20.9 kHz 
A)   21.7 kHz 
B)   21.8 kHz 
C)   21.5 kHz 
D)   20.9 kHz

Question 4

The true power of an RLC circuit depends on the value of resistance.

Accepted Answer

A) True 
 B)False

Question 5

If a tuned tank circuit has a very wide bandwidth, its  $Q$  might be_______

Accepted Answer

A)  about 10 
B)  about 100 
C)  very high 
D)  very low 
A)  about 10 
B)  about 100 
C)  very high 
D)  very low

Question 6

The resonant frequency of a tank circuitW ith a 0.150 mH inductor and 300 pF capacitor is ________.

Accepted Answer

A) 1.65 MHz 
B) 750 kHz 
C) 6.05 MHz 
D) 347 kHz 
A) 1.65 MHz 
B) 750 kHz 
C) 6.05 MHz 
D) 347 kHz

Question 7

What is the total current in a parallel resonant circuit if its impedance is  0.22   , the $Q$  is 100 and the source voltage is  100V?

Accepted Answer

A)   4.55 mA 
B)   0.0455 mA 
C)   45.5 mA 
D)   0.455 mA 
A)   4.55 mA 
B)   0.0455 mA 
C)   45.5 mA 
D)   0.455 mA

Question 8

$$\text { Figure } 13 < 1$$
-If the resistance decreases in Figure 13-1, the impedance ________.

Accepted Answer

A) decreases 
B) becomes zero 
C) remains the same 
D) increases 
A) decreases 
B) becomes zero 
C) remains the same 
D) increases

At resonance, a parallel RLC circuit is capacitive.

In a parallel RLC just below the resonant frequency, the impedance is:

The true power of an RLC circuit depends on the value of resistance.

If a tuned tank circuit has a very wide bandwidth, its $Q$ might be_______

The resonant frequency of a tank circuitW ith a 0.150 mH inductor and 300 pF capacitor is ________.

What is the total current in a parallel resonant circuit if its impedance is 0.22 , the $Q$ is 100 and the source voltage is 100V?

$\text { Figure } 13 < 1 -If the resistance decreases in Figure 13-1, the impedance .$ $\text { Figure } 13 < 1$ -If the resistance decreases in Figure 13-1, the impedance .

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

Exam 13: Rlc Circuits and Resonance

At resonance, a parallel RLC circuit is capacitive.

In a parallel RLC just below the resonant frequency, the impedance is:

What is the lower cut off frequency in an RLC resonant circuit if the inductive reactance is 1.2 kΩk \OmegakΩ the resonant frequency is 22 kHz and the resistance is 60 ?

The true power of an RLC circuit depends on the value of resistance.

If a tuned tank circuit has a very wide bandwidth, its QQQ might be_______

The resonant frequency of a tank circuitW ith a 0.150 mH inductor and 300 pF capacitor is ________.

What is the total current in a parallel resonant circuit if its impedance is 0.22 , the QQQ is 100 and the source voltage is 100V?

Figure 13<1\text { Figure } 13 < 1 Figure 13<1 -If the resistance decreases in Figure 13-1, the impedance ________.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

If a tuned tank circuit has a very wide bandwidth, its $Q$ might be_______

What is the total current in a parallel resonant circuit if its impedance is 0.22 , the $Q$ is 100 and the source voltage is 100V?

$\text { Figure } 13 < 1 -If the resistance decreases in Figure 13-1, the impedance .$ $\text { Figure } 13 < 1$ -If the resistance decreases in Figure 13-1, the impedance .