Question 1

Figure 7-9  
-In the accompanying figure, what is the value of PT?

Accepted Answer

A)  2.11 W 
B)  2.54 W 
C)  2.89 W 
D)  3.12 W 
A)  2.11 W 
B)  2.54 W 
C)  2.89 W 
D)  3.12 W D

Question 2

Figure 7-9  
-In the accompanying figure, what is the value of I9?

Accepted Answer

A)  0.038 A 
B)  0.044 A 
C)  0.052 A 
D)  0.066 A 
A)  0.038 A 
B)  0.044 A 
C)  0.052 A 
D)  0.066 A C

Question 3

Figure 7-5  
-In the accompanying figure, what is the value of E1?

Accepted Answer

A)  6 V 
B)  9 V 
C)  12 V 
D)  15 V 
A)  6 V 
B)  9 V 
C)  12 V 
D)  15 V D

Question 4

Figure 7-5  
-In the accompanying figure, what is the value of I2?

Accepted Answer

A)  0.04 A 
B)  0.06 A 
C)  0.09 A 
D)  0.12 A 
A)  0.04 A 
B)  0.06 A 
C)  0.09 A 
D)  0.12 A

Question 5

One of the rules for ____ circuits states that the total resistance is equal to the ____ of the individual resistors.

Accepted Answer

A)  series; product 
B)  series; sum 
C)  parallel; product 
D)  parallel; sum 
A)  series; product 
B)  series; sum 
C)  parallel; product 
D)  parallel; sum

Question 6

Figure 7-5  
-In the accompanying figure, what is the value of I7?

Accepted Answer

A)  0.1 A 
B)  0.2 A 
C)  0.3 A 
D)  0.4 A 
A)  0.1 A 
B)  0.2 A 
C)  0.3 A 
D)  0.4 A

Question 7

To solve a circuit, you must ____ a simpler circuit.

Accepted Answer

A)  join it to 
B)  equate it with 
C)  reduce it to 
D)  block it from 
A)  join it to 
B)  equate it with 
C)  reduce it to 
D)  block it from

Question 8

To identify the series and parallel elements, ____.

Accepted Answer

A)  measure the voltage 
B)  trace the current path 
C)  apply the reciprocal rule 
D)  connect the junction points 
A)  measure the voltage 
B)  trace the current path 
C)  apply the reciprocal rule 
D)  connect the junction points

Question 9

The total resistance of a parallel ____ can be replaced by a single resistor.

Accepted Answer

A)  node 
B)  junction 
C)  combination 
D)  block 
A)  node 
B)  junction 
C)  combination 
D)  block

Question 10

A junction point where two or more branches are connected is often referred to as a ____.

Accepted Answer

A)  node 
B)  combination 
C)  tracing 
D)  series 
A)  node 
B)  combination 
C)  tracing 
D)  series

Question 11

One of the rules for a series circuit states that the current is the same at any point in the circuit.

Accepted Answer

A) True 
 B)False

Question 12

If two resistors are connected in parallel with each other, the voltage drop across them will be the same.

Accepted Answer

A) True 
 B)False

Question 13

Figure 7-9  
-In the accompanying figure, what is the value of I2?

Accepted Answer

A)  0.0292 A 
B)  0.0326 A 
C)  0.0483 A 
D)  0.0588 A 
A)  0.0292 A 
B)  0.0326 A 
C)  0.0483 A 
D)  0.0588 A

Question 14

Ohm's Law can be used to find missing values for resistors in a combination circuit.

Accepted Answer

A) True 
 B)False

Question 15

Figure 7-9  
-In the accompanying figure, what is the value of P1?

Accepted Answer

A)  0.763 W 
B)  0.877 W 
C)  0.973 W 
D)  1.113 W 
A)  0.763 W 
B)  0.877 W 
C)  0.973 W 
D)  1.113 W

Question 16

Figure 7-9  
-In the accompanying figure, what is the value of E3?

Accepted Answer

A)  3.250 V 
B)  3.375 V 
C)  3.500 V 
D)  3.625 V 
A)  3.250 V 
B)  3.375 V 
C)  3.500 V 
D)  3.625 V

Question 17

Figure 7-5  
-In the accompanying figure, what is the value of RT?

Accepted Answer

A)  600 ohms 
B)  1200 ohms 
C)  2400 ohms 
D)  3600 ohms 
A)  600 ohms 
B)  1200 ohms 
C)  2400 ohms 
D)  3600 ohms

Question 18

In a series circuit, the voltage is the same across any circuit branch.

Accepted Answer

A) True 
 B)False

Question 19

Figure 7-5  
-In the accompanying figure, what is the value of E6?

Accepted Answer

A)  24 V 
B)  30 V 
C)  36 V 
D)  44 V 
A)  24 V 
B)  30 V 
C)  36 V 
D)  44 V

Question 20

When solving combination circuits, do not reduce to a simpler circuit.

Accepted Answer

A) True 
 B)False

Exam 7: Combination Circuits

Figure 7-9 -In the accompanying figure, what is the value of PT?

Figure 7-9 -In the accompanying figure, what is the value of I9?

Figure 7-5 -In the accompanying figure, what is the value of E1?

Figure 7-5 -In the accompanying figure, what is the value of I2?

One of the rules for ____ circuits states that the total resistance is equal to the ____ of the individual resistors.

Figure 7-5 -In the accompanying figure, what is the value of I7?

To solve a circuit, you must ____ a simpler circuit.

To identify the series and parallel elements, ____.

The total resistance of a parallel ____ can be replaced by a single resistor.

A junction point where two or more branches are connected is often referred to as a ____.

One of the rules for a series circuit states that the current is the same at any point in the circuit.

If two resistors are connected in parallel with each other, the voltage drop across them will be the same.

Figure 7-9 -In the accompanying figure, what is the value of I2?

Ohm's Law can be used to find missing values for resistors in a combination circuit.

Figure 7-9 -In the accompanying figure, what is the value of P1?

Figure 7-9 -In the accompanying figure, what is the value of E3?

Figure 7-5 -In the accompanying figure, what is the value of RT?

In a series circuit, the voltage is the same across any circuit branch.

Figure 7-5 -In the accompanying figure, what is the value of E6?

When solving combination circuits, do not reduce to a simpler circuit.

Atomic Structure

Electrical Quantities, Ohms Law, and Resistors

Electrical Sources and Static Charges

Magnetism

Series Circuits

Parallel Circuits

Measuring Instruments

Alternating Current

Alternating Current Loads

Capacitive Loads

Three-Phase Circuits

Transformers

Three-Phase Transformers

Electrical Services

General Wiring Practices Part 1: Receptacle and Switch Connections

General Wiring Practices Part 2: Protection Circuits, Dimmers, and Chimes

Three-Phase Motors

Single-Phase Motors

Schematics and Wiring Diagrams

Motor Installation

Filters

One of the rules for circuits states that the total resistance is equal to the of the individual resistors.