Question 1

In solving series-parallel circuits, the last and easiest to solve for is:

Accepted Answer

A) RT. 
B) PT. 
C) IT. 
D) ET. 
A) RT. 
B) PT. 
C) IT. 
D) ET.

Question 2

Maximum power is achieved when the load resistance is approximately two times the source
resistance.

Accepted Answer

A) True 
 B)False

Question 3

-If   in Figure 6-1,   equals ________.

Accepted Answer

A) 75.7 mA 
B) 9.15 mA 
C) 12.1 mA 
D) 8.8 mA 
A) 75.7 mA 
B) 9.15 mA 
C) 12.1 mA 
D) 8.8 mA

Question 4

-If four parallel   resistors are connected in series with a single   resistor and one of the parallel resistors opens, how does the voltage across the other parallel resistors change?

Accepted Answer

A) It increases. 
B) It remains the same. 
C) It decreases. 
A) It increases. 
B) It remains the same. 
C) It decreases.

Question 5

-What is the resistance between points A and D in Figure 6-3?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

-In Figure 6-1, R1 is connected in ________.

Accepted Answer

A) series with R₂ 
B) parallel with R₂ 
C) parallel with R₃ 
D) series with R3 
E) none of the above 
A) series with R₂ 
B) parallel with R₂ 
C) parallel with R₃ 
D) series with R3 
E) none of the above

Question 7

If a voltage divider consists of two   resistors, which one of these load resistors will change the output voltage the most?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

-If   opens in Figure 6-2,

Accepted Answer

A) causes the fuse to blow 
B) decreases 
C) remains the same 
D) increases 
A) causes the fuse to blow 
B) decreases 
C) remains the same 
D) increases

Question 9

The super position theorem provides a method for:

Accepted Answer

A) designing complex series-parallel circuits. 
B) building complex series-parallel circuits. 
C) analyzing complex series-parallel circuits. 
D) all of these. 
A) designing complex series-parallel circuits. 
B) building complex series-parallel circuits. 
C) analyzing complex series-parallel circuits. 
D) all of these.

Question 10

-Refer to Figure 6-5. Determine the amount of current flow through   with the following component parameters.

Accepted Answer

A) 5.3 mA 
B) 1 mA 
C) 1.37mA 
D) 0 A 
A) 5.3 mA 
B) 1 mA 
C) 1.37mA 
D) 0 A

Question 11

-R₁ is in series with the series combination R₂ and R₃ in Figure 6-1.

Accepted Answer

A) True 
 B)False

Question 12

-If R₃ opens in Figure 6-1, VR₁ ________.

Accepted Answer

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

Question 13

-If   in Figure 6-2, what is the value of

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

-If   in Figure 6-1, PR2 equals ________.

Accepted Answer

A) 7.64 mW 
B) 2.30 mW 
C) 8.63 mW 
D) 18.6 mW 
A) 7.64 mW 
B) 2.30 mW 
C) 8.63 mW 
D) 18.6 mW

Question 15

-What is the resistance between points B and E in Figure 6-3?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 16

-If the current is 1.2 mA in Figure 6-3, what is the value of

Accepted Answer

A) 576 mW 
B) 5.76 mW 
C) 0.576 mW 
D) 57.6 mW 
A) 576 mW 
B) 5.76 mW 
C) 0.576 mW 
D) 57.6 mW

Question 17

The voltage across any open in a series-parallel circuit will be the source voltage.

Accepted Answer

A) True 
 B)False

Question 18

-If all resistors equal   and   equals 20 V in Figure 6-2, what is the value of

Accepted Answer

A) 1.06 mA 
B) 0.53 mA 
C) 11.99 mA 
D) 12.5 mA 
A) 1.06 mA 
B) 0.53 mA 
C) 11.99 mA 
D) 12.5 mA

Question 19

According to the maximum power transfer theorem, maximum power is delivered to any load when the load resistance is:

Accepted Answer

A) larger than source resistance. 
B) at least twice or more than the source resistance. 
C) less than one-half of the source resistance. 
D) exactly equal to the source resistance. 
A) larger than source resistance. 
B) at least twice or more than the source resistance. 
C) less than one-half of the source resistance. 
D) exactly equal to the source resistance.

Question 20

-Refer to Figure 6-4. What approximate R1 resistor value would it take to balance this bridge circuit?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Exam 6: Parallel Circuits

In solving series-parallel circuits, the last and easiest to solve for is:

Maximum power is achieved when the load resistance is approximately two times the source resistance.

-If in Figure 6-1, equals ________.

-If four parallel resistors are connected in series with a single resistor and one of the parallel resistors opens, how does the voltage across the other parallel resistors change?

-What is the resistance between points A and D in Figure 6-3?

-In Figure 6-1, R1 is connected in ________.

If a voltage divider consists of two resistors, which one of these load resistors will change the output voltage the most?

-If opens in Figure 6-2,

The super position theorem provides a method for:

-Refer to Figure 6-5. Determine the amount of current flow through with the following component parameters.

-R₁ is in series with the series combination R₂ and R₃ in Figure 6-1.

-If R₃ opens in Figure 6-1, VR₁ ________.

-If in Figure 6-2, what is the value of

-If in Figure 6-1, PR2 equals ________.

-What is the resistance between points B and E in Figure 6-3?

-If the current is 1.2 mA in Figure 6-3, what is the value of

The voltage across any open in a series-parallel circuit will be the source voltage.

-If all resistors equal and equals 20 V in Figure 6-2, what is the value of

According to the maximum power transfer theorem, maximum power is delivered to any load when the load resistance is:

-Refer to Figure 6-4. What approximate R1 resistor value would it take to balance this bridge circuit?

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series 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

RlC Circuits and Resonance

Passive Filters

Circuit Theorems in Ac Analysis

Time Response of Reactive Circuits

Three-Phase Systems in Power Applications

Filters