Question 1

Is the circuit in Figure 17-5, at or very close to resonance?

Accepted Answer

A)  Yes 
B)  No 
A)  Yes 
B)  No

Question 2

In a series RLC circuit, R = 1.1 kΩ, XL = 1.6 kΩ, and XC = 2.9 kΩ. ZT = .

Accepted Answer

A)  4.6 k$\Omega \angle$
 -50° 
B)  4.6 k$\Omega \angle$
 50° 
C)  1.7 k$\Omega \angle$
 50° 
D)  1.7 k$\Omega \angle$
 -50° 
A)  4.6 k$\Omega \angle$
 -50° 
B)  4.6 k$\Omega \angle$
 50° 
C)  1.7 k$\Omega \angle$
 50° 
D)  1.7 k$\Omega \angle$
 -50°

Question 3

-If the parallel circuit in Figure is NOT resonant, the impedance will be lower than it is at the resonant frequency.

Accepted Answer

A) True 
 B)False

Question 4

-The Circuit impedance in Figure  is:

Accepted Answer

A)  70.5 Ω 
B)  7.55 Ω 
C)  265 Ω 
D)  33 Ω 
A)  70.5 Ω 
B)  7.55 Ω 
C)  265 Ω 
D)  33 Ω

Question 5

-calculate ZT.

Accepted Answer

A)  58 $\Omega \angle$
 -39° 
B)  58 $\Omega \angle$
 39° 
C)  19.6 $\Omega \angle$
 71.4° 
D)  19.6 $\Omega \angle$
 -71.4° 
A)  58 $\Omega \angle$
 -39° 
B)  58 $\Omega \angle$
 39° 
C)  19.6 $\Omega \angle$
 71.4° 
D)  19.6 $\Omega \angle$
 -71.4°

Question 6

In a series LC circuit, VL = 8.3 V and VC = 10.6 V. VS = .

Accepted Answer

A)  -2.3 V 2-90° 
B)  8.3 V 2-90° 
C)  -2.3 V 290° 
D)  2.3 V 2-90° 
A)  -2.3 V 2-90° 
B)  8.3 V 2-90° 
C)  -2.3 V 290° 
D)  2.3 V 2-90°

Question 7

At resonance the power factor is:

Accepted Answer

A)  negative 
B)  1 
C)  M5 
D)  zero 
A)  negative 
B)  1 
C)  M5 
D)  zero

Question 8

Figure 17-1
-If the series circuit in Figure 17-1 is resonant, the inductive and capacitive reactance must be equal.

Accepted Answer

A) True 
 B)False

Question 9

By increasing the resistance of a coil you can increase the Q of the coil at resonance.

Accepted Answer

A) True 
 B)False

Question 10

A parallel tuned circuit can be used to couple energy from one circuit to another.

Accepted Answer

A) True 
 B)False

Is the circuit in Figure 17-5, at or very close to resonance?

In a series RLC circuit, R = 1.1 kΩ, XL = 1.6 kΩ, and XC = 2.9 kΩ. ZT = .

-If the parallel circuit in Figure is NOT resonant, the impedance will be lower than it is at the resonant frequency.

-The Circuit impedance in Figure is:

-calculate ZT.

In a series LC circuit, VL = 8.3 V and VC = 10.6 V. VS = .

At resonance the power factor is:

Figure 17-1 -If the series circuit in Figure 17-1 is resonant, the inductive and capacitive reactance must be equal.

By increasing the resistance of a coil you can increase the Q of the coil at resonance.

A parallel tuned circuit can be used to couple energy from one circuit to another.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

Rc Circuits

Rl Circuits

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters

Exam 17: Rlc Circuits and Resonance

Is the circuit in Figure 17-5, at or very close to resonance?

In a series RLC circuit, R = 1.1 kΩ, XL = 1.6 kΩ, and XC = 2.9 kΩ. ZT = .

-If the parallel circuit in Figure is NOT resonant, the impedance will be lower than it is at the resonant frequency.

-The Circuit impedance in Figure is:

-calculate ZT.

In a series LC circuit, VL = 8.3 V and VC = 10.6 V. VS = .

At resonance the power factor is:

Figure 17-1 -If the series circuit in Figure 17-1 is resonant, the inductive and capacitive reactance must be equal.

By increasing the resistance of a coil you can increase the Q of the coil at resonance.

A parallel tuned circuit can be used to couple energy from one circuit to another.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Circuit Theorems and Conversions

Branch, Loop, and Node Analyses

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Inductors

Transformers

Rc Circuits

Rl Circuits

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters