Question 1

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

Accepted Answer

A) the series resistance. 
B) the parallel current. 
C) the series current. 
D) the parallel resistance. 
A) the series resistance. 
B) the parallel current. 
C) the series current. 
D) the parallel resistance. D

Question 2

$\text { Figure } 6 \text { '1 }$
- R1 is in series with the parallel combination  R2  and  R3 in Figure 6-1.

Accepted Answer

A) True 
 B)False  True

Question 3

$\text { Figure } 6 \text { '1 }$
- R1 is in series with  R3 in Figure 6-1.

Accepted Answer

A) True 
 B)False  False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

The parallel combination of a    resistor and a  470$\Omega$
 resistor is connected in series with the parallel combination of four  1$\mathrm { k } \Omega$
  resistors. If a  100 V source is connected across the circuit, then which resistor drops the most voltage?

Accepted Answer

A)     
B)   330$\Omega$ 
C)   1 $\mathrm { k } \Omega$ 
A)     
B)   330$\Omega$ 
C)   1 $\mathrm { k } \Omega$

Question 6

$\text { Figure } 6 \text { '1 }$
-If  R1=10  $\mathrm { k } \Omega$, R2=15  $\mathrm { k } \Omega$ and  R3=50  $\mathrm { k } \Omega$ in Figure  6-1, RT  equals_____

Accepted Answer

A)   11.5 $\mathrm { k } \Omega$ 
B)  10 $\mathrm { k } \Omega$ 
C)   21.5  $\mathrm { k } \Omega$ 
D)   9.5 $\mathrm { k } \Omega$ 
A)   11.5 $\mathrm { k } \Omega$ 
B)  10 $\mathrm { k } \Omega$ 
C)   21.5  $\mathrm { k } \Omega$ 
D)   9.5 $\mathrm { k } \Omega$

Question 7

TheW heatstone bridge circuit isW idely used to measure:

Accepted Answer

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

Question 8

$$\text { Figure } 6 ' 3$$
-What is the resistance between points  B and E in Figure  6-3  ?

Accepted Answer

A)  30 $\mathrm { k } \Omega$ 
B)  20 $\mathrm { k } \Omega$ 
C)  40 $\mathrm { k } \Omega$ 
D)   10$\mathrm { k } \Omega$ 
A)  30 $\mathrm { k } \Omega$ 
B)  20 $\mathrm { k } \Omega$ 
C)  40 $\mathrm { k } \Omega$ 
D)   10$\mathrm { k } \Omega$

Question 9

$\text { Figure } 6 \text { '1 }$
-If  VS=25 V, R1=10 $\mathrm { k } \Omega$, R2=15 $k \Omega$ and R3=50 $\mathrm { k } \Omega$  in Figure  6-1 , IT equals_______

Accepted Answer

A)   1.16 mA 
B)   1.58 mA 
C)   2.17 mA 
D)   2.5 mA 
A)   1.16 mA 
B)   1.58 mA 
C)   2.17 mA 
D)   2.5 mA

Question 10

$$\text { Figure 6'4 }$$
-Refer to Figure 6-4. What approximate R1 resistor value would it take to balance this bridge circuit?

Accepted Answer

A)     
B)   680$\Omega$ 
C)   560$\Omega$ 
D)     
A)     
B)   680$\Omega$ 
C)   560$\Omega$ 
D)

Question 11

$$\text { Figure } 6 ' 3$$
-If  VR1=15 V  in Figure  6-3 , what is the value of VBD ?

Accepted Answer

A)   -60 V 
B)   60 V 
C)   30 V 
D)   -30 V 
A)   -60 V 
B)   60 V 
C)   30 V 
D)   -30 V

Question 12

The parallel combination of a     resistor and a     resistor is connected in series with the parallel combination of four  1 $k \Omega$  resistors. If a  100 V  source is connected across the circuit, then which resistor carries the most current?

Accepted Answer

A)     
B)  330 $\Omega$ 
C)   1 $\mathrm { k } \Omega$ 
A)     
B)  330 $\Omega$ 
C)   1 $\mathrm { k } \Omega$

Question 13

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,W hat 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 14

A loaded voltage divider is a series-parallel circuit.

Accepted Answer

A) True 
 B)False

Question 15

$$\text { Figure } 6 ^ { \prime } 2$$
-If  VS=15 V  and every resistor equals  2.2  $k \Omega$ in Figure 6-2, what is the value of  IR4  ?

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 16

$$\text { Figure } 6 ^ { \prime } 2$$
-In Figure 6-2,  R3 and  R4  are connected in_____________

Accepted Answer

A)  series with  R2 
B)  parallel with each other 
C)  series with each other and in parallel with R5 
D)  series with  R5  
A)  series with  R2 
B)  parallel with each other 
C)  series with each other and in parallel with R5 
D)  series with  R5

Question 17

$$\text { Figure } 6 ^ { \prime } 2$$
-If  R3 shorts in Figure 6-2,  VR5 ______

Accepted Answer

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

Question 18

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 19

$\text { Figure } 6 \text { '1 }$
- R2 is in parallel with  R3 in Figure 6-1.

Accepted Answer

A) True 
 B)False

Question 20

$$\text { Figure 6'5 }$$
-Refer to Figure 6-5. Determine the amount of current flow through R2 with the following component parameters.  VS1=10 V, VS2=3 V, R1=2 k, R2=3k , and  R3=700

Accepted Answer

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

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

$\text { Figure } 6 \text { '1 } - R<sub>1</sub> is in series with the parallel combination R<sub>2</sub> and R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₁ is in series with the parallel combination R₂ and R₃ in Figure 6-1.

$\text { Figure } 6 \text { '1 } - R<sub>1</sub> is in series with R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₁ is in series with R₃ in Figure 6-1.

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

TheW heatstone bridge circuit isW idely used to measure:

$\text { Figure } 6 ' 3 -What is the resistance between points B and E in Figure 6-3 ?$ $\text { Figure } 6 ' 3$ -What is the resistance between points B and E in Figure 6-3 ?

$\text { Figure 6'4 } -Refer to Figure 6-4. What approximate R<sub>1</sub> resistor value would it take to balance this bridge circuit?$ $\text { Figure 6'4 }$ -Refer to Figure 6-4. What approximate R₁ resistor value would it take to balance this bridge circuit?

$\text { Figure } 6 ' 3 -If V<sub>R1</sub>=15 V in Figure 6-3 , what is the value of V<sub>BD</sub> ?$ $\text { Figure } 6 ' 3$ -If V_R1=15 V in Figure 6-3 , what is the value of V_BD ?

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,W hat is the total current through the branch?

A loaded voltage divider is a series-parallel circuit.

$\text { Figure } 6 ^ { \prime } 2 -If V<sub>S</sub>=15 V and every resistor equals 2.2 k \Omega in Figure 6-2, what is the value of IR<sub>4</sub> ?$ $\text { Figure } 6 ^ { \prime } 2$ -If V_S=15 V and every resistor equals 2.2 $k \Omega$ in Figure 6-2, what is the value of IR₄ ?

$\text { Figure } 6 ^ { \prime } 2 -In Figure 6-2, R<sub>3</sub> and R<sub>4</sub> are connected in_$ $\text { Figure } 6 ^ { \prime } 2$ -In Figure 6-2, R₃ and R₄ are connected in_

$\text { Figure } 6 ^ { \prime } 2 -If R<sub>3</sub> shorts in Figure 6-2, V<sub>R5</sub> ______$ $\text { Figure } 6 ^ { \prime } 2$ -If R₃ shorts in Figure 6-2, V_R5 ______

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

$\text { Figure } 6 \text { '1 } - R<sub>2</sub> is in parallel with R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₂ is in parallel with R₃ in Figure 6-1.

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

Exam 6: Series-Parallel Circuits

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

Figure 6 ’1 \text { Figure } 6 \text { '1 } Figure 6 ’1 - R1 is in series with the parallel combination R2 and R3 in Figure 6-1.

Figure 6 ’1 \text { Figure } 6 \text { '1 } Figure 6 ’1 - R1 is in series with R3 in Figure 6-1.

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

The parallel combination of a 330 resistor and a 470 Ω\OmegaΩ resistor is connected in series with the parallel combination of four 1 kΩ\mathrm { k } \OmegakΩ resistors. If a 100 V source is connected across the circuit, then which resistor drops the most voltage?

Figure 6 ’1 \text { Figure } 6 \text { '1 } Figure 6 ’1 -If R1=10 kΩ\mathrm { k } \OmegakΩ , R2=15 kΩ\mathrm { k } \OmegakΩ and R3=50 kΩ\mathrm { k } \OmegakΩ in Figure 6-1, RT equals_____

TheW heatstone bridge circuit isW idely used to measure:

Figure 6′3\text { Figure } 6 ' 3 Figure 6′3 -What is the resistance between points B and E in Figure 6-3 ?

Figure 6 ’1 \text { Figure } 6 \text { '1 } Figure 6 ’1 -If VS=25 V, R1=10 kΩ\mathrm { k } \OmegakΩ , R2=15 kΩk \OmegakΩ and R3=50 kΩ\mathrm { k } \OmegakΩ in Figure 6-1 , IT equals_______

Figure 6’4 \text { Figure 6'4 } Figure 6’4 -Refer to Figure 6-4. What approximate R1 resistor value would it take to balance this bridge circuit?

Figure 6′3\text { Figure } 6 ' 3 Figure 6′3 -If VR1=15 V in Figure 6-3 , what is the value of VBD ?

The parallel combination of a 330 resistor and a 470 resistor is connected in series with the parallel combination of four 1 kΩk \OmegakΩ resistors. If a 100 V source is connected across the circuit, then which resistor carries the most current?

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,W hat is the total current through the branch?

A loaded voltage divider is a series-parallel circuit.

Figure 6′2\text { Figure } 6 ^ { \prime } 2 Figure 6′2 -If VS=15 V and every resistor equals 2.2 kΩk \OmegakΩ in Figure 6-2, what is the value of IR4 ?

Figure 6′2\text { Figure } 6 ^ { \prime } 2 Figure 6′2 -In Figure 6-2, R3 and R4 are connected in_____________

Figure 6′2\text { Figure } 6 ^ { \prime } 2 Figure 6′2 -If R3 shorts in Figure 6-2, VR5 ______

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

Figure 6 ’1 \text { Figure } 6 \text { '1 } Figure 6 ’1 - R2 is in parallel with R3 in Figure 6-1.

Figure 6’5 \text { Figure 6'5 } Figure 6’5 -Refer to Figure 6-5. Determine the amount of current flow through R2 with the following component parameters. VS1=10 V, VS2=3 V, R1=2 k, R2=3k , and R3=700

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Regulators, Filters, and Op-Amps

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

$\text { Figure } 6 \text { '1 } - R<sub>1</sub> is in series with the parallel combination R<sub>2</sub> and R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₁ is in series with the parallel combination R₂ and R₃ in Figure 6-1.

$\text { Figure } 6 \text { '1 } - R<sub>1</sub> is in series with R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₁ is in series with R₃ in Figure 6-1.

$\text { Figure } 6 ' 3 -What is the resistance between points B and E in Figure 6-3 ?$ $\text { Figure } 6 ' 3$ -What is the resistance between points B and E in Figure 6-3 ?

$\text { Figure 6'4 } -Refer to Figure 6-4. What approximate R<sub>1</sub> resistor value would it take to balance this bridge circuit?$ $\text { Figure 6'4 }$ -Refer to Figure 6-4. What approximate R₁ resistor value would it take to balance this bridge circuit?

$\text { Figure } 6 ' 3 -If V<sub>R1</sub>=15 V in Figure 6-3 , what is the value of V<sub>BD</sub> ?$ $\text { Figure } 6 ' 3$ -If V_R1=15 V in Figure 6-3 , what is the value of V_BD ?

$\text { Figure } 6 ^ { \prime } 2 -If V<sub>S</sub>=15 V and every resistor equals 2.2 k \Omega in Figure 6-2, what is the value of IR<sub>4</sub> ?$ $\text { Figure } 6 ^ { \prime } 2$ -If V_S=15 V and every resistor equals 2.2 $k \Omega$ in Figure 6-2, what is the value of IR₄ ?

$\text { Figure } 6 ^ { \prime } 2 -In Figure 6-2, R<sub>3</sub> and R<sub>4</sub> are connected in_$ $\text { Figure } 6 ^ { \prime } 2$ -In Figure 6-2, R₃ and R₄ are connected in_

$\text { Figure } 6 ^ { \prime } 2 -If R<sub>3</sub> shorts in Figure 6-2, V<sub>R5</sub> ______$ $\text { Figure } 6 ^ { \prime } 2$ -If R₃ shorts in Figure 6-2, V_R5 ______

$\text { Figure } 6 \text { '1 } - R<sub>2</sub> is in parallel with R<sub>3</sub> in Figure 6-1.$ $\text { Figure } 6 \text { '1 }$ - R₂ is in parallel with R₃ in Figure 6-1.