Question 1

-If Vs = 15 V and every resistor equals   in Figure 6-2, what is the value of

Accepted Answer

A) 5.11 mA 
B) 2.55 mA 
C) 0.85 mA 
D) 0.42 mA 
A) 5.11 mA 
B) 2.55 mA 
C) 0.85 mA 
D) 0.42 mA

Question 2

In solving series-parallel circuits using Ohmʹs law, first solve for:

Accepted Answer

A) ET. 
B) IT. 
C) RT. 
D) any of these, it doesnʹt matter. 
A) ET. 
B) IT. 
C) RT. 
D) any of these, it doesnʹt matter.

Question 3

A voltmeter, when connected across a component, can be viewed as being a resistor in series with
that component.

Accepted Answer

A) True 
 B)False

Question 4

No problems could occur if a 10 V source and a 20 V source were connected in parallel.

Accepted Answer

A) True 
 B)False

Question 5

-If R1 shorts in Figure 6-2, VR4 ________.

Accepted Answer

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

Question 6

-If a   resistor is placed in parallel with   in Figure 6-3, how will   change?

Accepted Answer

A)    will remain the same. 
B)    will decrease. 
C)    will increase. 
D)    will change to 4 volts. 
A)    will remain the same. 
B)    will decrease. 
C)    will increase. 
D)    will change to 4 volts.

Question 7

A bridge circuitʹs resistances must all be of the same value to be in a balanced condition.

Accepted Answer

A) True 
 B)False

Question 8

The Wheatstone bridge circuit is widely used to measure:

Accepted Answer

A) precise resistances. 
B) accurate currents. 
C) exact voltages. 
D) all of these. 
A) precise resistances. 
B) accurate currents. 
C) exact voltages. 
D) all of these.

Question 9

If four parallel   resistors are in series with a single   esistor and one of the parallel resistors shorts, the voltage across the other parallel resistors ________.

Accepted Answer

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

Question 10

-Two series   resistors are connected in parallel with a   resistor. If the voltage across one of the   resistors is 6 V, what is the voltage across the   resistor?

Accepted Answer

A) 3 V 
B) 12 V 
C) 6 V 
D) 13.2 V 
A) 3 V 
B) 12 V 
C) 6 V 
D) 13.2 V

Question 11

-If   = 12 V in Figure 6-3, what is the value of   shorts?

Accepted Answer

A) -3 V 
B) 8 V 
C) 6 V 
D) -8 V 
A) -3 V 
B) 8 V 
C) 6 V 
D) -8 V

Question 12

In the parallel portion of series-parallel circuits, the total resistance is:

Accepted Answer

A) greater than the largest resistance. 
B) less than any one resistance. 
C) equal to the smallest resistance. 
D) less than the smallest resistance. 
A) greater than the largest resistance. 
B) less than any one resistance. 
C) equal to the smallest resistance. 
D) less than the smallest resistance.

Question 13

-If   = 22 V in Figure 6-3, what is the is the value of

Accepted Answer

A) -11 V 
B) -22 V 
C) 11 V 
D) 5.5 V 
A) -11 V 
B) -22 V 
C) 11 V 
D) 5.5 V

Question 14

-Refer to Figure 6-4. With circuit balanced there is:

Accepted Answer

A) Cannot be determined without detailed analysis. 
B) maximum current flow through the load. 
C) no current flow through the total circuit. 
D) no current through the load. 
A) Cannot be determined without detailed analysis. 
B) maximum current flow through the load. 
C) no current flow through the total circuit. 
D) no current through the load.

Question 15

If two resistors are in parallel, they drop the same voltage.

Accepted Answer

A) True 
 B)False

Question 16

A series-parallel circuit consists of resistors in both series and parallel.

Accepted Answer

A) True 
 B)False

Question 17

In a two-source circuit, one source alone produces 10 mA through a branch. If the other source alone produces 8 mA in the opposite direction through the same branch, what is the total current
Through the branch?

Accepted Answer

A) 8 mA 
B) 18 mA 
C) 10 mA 
D) 2 mA 
A) 8 mA 
B) 18 mA 
C) 10 mA 
D) 2 mA

Question 18

-R₁ is in series with R₃ in Figure 6-1.

Accepted Answer

A) True 
 B)False

Question 19

-If the current is 12 mA in Figure 6-3, what is the value of

Accepted Answer

A) 240 V 
B) -360 V 
C) -240 V 
D) 360 V 
A) 240 V 
B) -360 V 
C) -240 V 
D) 360 V

Question 20

The parallel combination of a   resistor and a   resistor is connected in series with the parallel combination of four   resistors. If a 100 V source is connected across the circuit, then
Which resistor drops the most voltage?

Accepted Answer

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

Exam 6: Parallel Circuits

-If Vs = 15 V and every resistor equals in Figure 6-2, what is the value of

In solving series-parallel circuits using Ohmʹs law, first solve for:

A voltmeter, when connected across a component, can be viewed as being a resistor in series with that component.

No problems could occur if a 10 V source and a 20 V source were connected in parallel.

-If R1 shorts in Figure 6-2, VR4 ________.

-If a resistor is placed in parallel with in Figure 6-3, how will change?

A bridge circuitʹs resistances must all be of the same value to be in a balanced condition.

The Wheatstone bridge circuit is widely used to measure:

If four parallel resistors are in series with a single esistor and one of the parallel resistors shorts, the voltage across the other parallel resistors ________.

-Two series resistors are connected in parallel with a resistor. If the voltage across one of the resistors is 6 V, what is the voltage across the resistor?

-If = 12 V in Figure 6-3, what is the value of shorts?

In the parallel portion of series-parallel circuits, the total resistance is:

-If = 22 V in Figure 6-3, what is the is the value of

-Refer to Figure 6-4. With circuit balanced there is:

If two resistors are in parallel, they drop the same voltage.

A series-parallel circuit consists of resistors in both series and parallel.

In a two-source circuit, one source alone produces 10 mA through a branch. If the other source alone produces 8 mA in the opposite direction through the same branch, what is the total current Through the branch?

-R₁ is in series with R₃ in Figure 6-1.

-If the current is 12 mA in Figure 6-3, what is the value of

The parallel combination of a resistor and a resistor is connected in series with the parallel combination of four resistors. If a 100 V source is connected across the circuit, then Which resistor drops the most voltage?

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