Question 1

What is the voltage of R1 when the circuit with 24 V applied, has series resistors R1 1 kΩ) and R2 2 kΩ) which are in parallel with R3 3 kΩ)?

Accepted Answer

A)  12 V 
B)  24 V 
C)  16 V 
D)  8 V 
A)  12 V 
B)  24 V 
C)  16 V 
D)  8 V

Question 2

Open circuits and short circuits are typical circuit faults.

Accepted Answer

A) True 
 B)False

Question 3

-Given the circuit in Figure , calculate the total resistance.

Accepted Answer

A)  162 Ω 
B)  242 Ω 
C)  122 Ω 
D)  152 Ω 
A)  162 Ω 
B)  242 Ω 
C)  122 Ω 
D)  152 Ω

Question 4

When a load resistor is connected across a voltage divider output, the output voltage increases.

Accepted Answer

A) True 
 B)False

Question 5

-A voltmeter with an ohms per volt rating of 200 Ω/V is connected as shown in Figure . It is set on the 150 volt range. What voltage will the meter indicate?

Accepted Answer

A)  30 V 
B)  60 V 
C)  105 V 
D)  45 V 
A)  30 V 
B)  60 V 
C)  105 V 
D)  45 V

Question 6

A series-parallel circuit is a:

Accepted Answer

A)  combination of series paths 
B)  combination of series and parallel paths. 
C)  combination of parallel paths 
D)  None of the above are correct. 
A)  combination of series paths 
B)  combination of series and parallel paths. 
C)  combination of parallel paths 
D)  None of the above are correct.

Question 7

A loaded voltage divider is a common application of a series-parallel circuit.

Accepted Answer

A) True 
 B)False

Question 8

When finding the total resistance of a series-parallel combination, the most important step is:

Accepted Answer

A)  to know how to use Ohm's law 
B)  to know the value of the total current. 
C)  to know the value of the source voltage 
D)  to define the series and parallel relationships. 
A)  to know how to use Ohm's law 
B)  to know the value of the total current. 
C)  to know the value of the source voltage 
D)  to define the series and parallel relationships.

Question 9

The current that flows through an unloaded voltage divider is called the:

Accepted Answer

A)  voltage current 
B)  load current 
C)  resistor current 
D)  bleeder current 
A)  voltage current 
B)  load current 
C)  resistor current 
D)  bleeder current

Question 10

-Given the circuit in Figure , calculate the total resistance.

Accepted Answer

A)  34 kΩ 
B)  3 kΩ 
C)  7 kΩ 
D)  12 kΩ 
A)  34 kΩ 
B)  3 kΩ 
C)  7 kΩ 
D)  12 kΩ

Question 11

Troubleshooting is the process of identifying and locating a fault in a circuit.

Accepted Answer

A) True 
 B)False

Question 12

-Given the circuit in Figure , calculate the current through the 40 Ω resistor.

Accepted Answer

A)  2 A 
B)  0.8 A 
C)  0.67 A 
D)  1.2 A 
A)  2 A 
B)  0.8 A 
C)  0.67 A 
D)  1.2 A

Question 13

Figure 7-8
-Given the circuit in Figure 7-8, what is the current through R3?

Accepted Answer

A)  0.35 A 
B)  35 mA 
C)  208 mA 
D)  0.35 mA 
A)  0.35 A 
B)  35 mA 
C)  208 mA 
D)  0.35 mA

Question 14

Voltage dividers are used to:

Accepted Answer

A)  obtain two or more, lower, voltages from a common supply voltage. 
B)  change several voltages into other values. 
C)  change several voltages into one voltage. 
D)  convert several voltages into a common supply voltage. 
A)  obtain two or more, lower, voltages from a common supply voltage. 
B)  change several voltages into other values. 
C)  change several voltages into one voltage. 
D)  convert several voltages into a common supply voltage.

Question 15

An unloaded voltage divider consists of:

Accepted Answer

A)  any parallel circuit 
B)  all series-parallel connections. 
C)  a single parallel circuit only 
D)  all series connections. 
A)  any parallel circuit 
B)  all series-parallel connections. 
C)  a single parallel circuit only 
D)  all series connections.

Question 16

The loading effect of a voltmeter can be ignored if .

Accepted Answer

A)  the measured voltage is very low 
B)  the meter's resistance is at least 10 times less than the resistance across which it is connected 
C)  the measured voltage is very high 
D)  the meter's resistance is at least 10 times greater than the resistance across which it is connected 
A)  the measured voltage is very low 
B)  the meter's resistance is at least 10 times less than the resistance across which it is connected 
C)  the measured voltage is very high 
D)  the meter's resistance is at least 10 times greater than the resistance across which it is connected

Question 17

Series components in a series-parallel circuit may be in series with other components, or with other combinations of components.

Accepted Answer

A) True 
 B)False

Question 18

-Given the circuit in Figure , calculate the voltage drop across the 15 kΩ resistor.

Accepted Answer

A)  7.2 V 
B)  6 V 
C)  12 V 
D)  2.4 V 
A)  7.2 V 
B)  6 V 
C)  12 V 
D)  2.4 V

Question 19

Figure 7-8
-Given the circuit in Figure 7-8, what current would flow if R2 were open?

Accepted Answer

A)  175 mA 
B)  68 mA 
C)  208 mA 
D)  140 mA 
A)  175 mA 
B)  68 mA 
C)  208 mA 
D)  140 mA

Question 20

-Given the circuit in Figure calculate the current through the 10 kΩ resistor.

Accepted Answer

A)  4.8 mA 
B)  0.6 mA 
C)  47.2 mA 
D)  48 mA 
A)  4.8 mA 
B)  0.6 mA 
C)  47.2 mA 
D)  48 mA

Exam 7: Series-Parallel Circuits

What is the voltage of R1 when the circuit with 24 V applied, has series resistors R1 1 kΩ) and R2 2 kΩ) which are in parallel with R3 3 kΩ)?

Open circuits and short circuits are typical circuit faults.

-Given the circuit in Figure , calculate the total resistance.

When a load resistor is connected across a voltage divider output, the output voltage increases.

-A voltmeter with an ohms per volt rating of 200 Ω/V is connected as shown in Figure . It is set on the 150 volt range. What voltage will the meter indicate?

A series-parallel circuit is a:

A loaded voltage divider is a common application of a series-parallel circuit.

When finding the total resistance of a series-parallel combination, the most important step is:

The current that flows through an unloaded voltage divider is called the:

-Given the circuit in Figure , calculate the total resistance.

Troubleshooting is the process of identifying and locating a fault in a circuit.

-Given the circuit in Figure , calculate the current through the 40 Ω resistor.

Figure 7-8 -Given the circuit in Figure 7-8, what is the current through R3?

Voltage dividers are used to:

An unloaded voltage divider consists of:

The loading effect of a voltmeter can be ignored if .

Series components in a series-parallel circuit may be in series with other components, or with other combinations of components.

-Given the circuit in Figure , calculate the voltage drop across the 15 kΩ resistor.

Figure 7-8 -Given the circuit in Figure 7-8, what current would flow if R2 were open?

-Given the circuit in Figure calculate the current through the 10 kΩ resistor.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law

Energy and Power

Series Circuits

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

What is the voltage of R1 when the circuit with 24 V applied, has series resistors R₁ 1 kΩ) and R₂ 2 kΩ) which are in parallel with R₃ 3 kΩ)?