Question 1

Circuit ground or chassis ground can be thought of as a:

Accepted Answer

A) reference point. 
B) common point. 
C) neutral connection point. 
D) all of these 
A) reference point. 
B) common point. 
C) neutral connection point. 
D) all of these

Question 2

If R1 = 12 kΩ and R2 = 5 kΩ and they are wired in series across a 20 V source, what is VR1 and VR2?

Accepted Answer

A) VR1 = 0 V, VR2 = 20 V 
B) VR1 = 10 V, VR2 = 10 V 
C) VR1 = 14.12 V, VR2 = 5.88 V 
D) VR1 = 5.88 V, VR2 = 14.12 V 
A) VR1 = 0 V, VR2 = 20 V 
B) VR1 = 10 V, VR2 = 10 V 
C) VR1 = 14.12 V, VR2 = 5.88 V 
D) VR1 = 5.88 V, VR2 = 14.12 V

Question 3

If a resistor is rated at 1/2 W, it can safely dissipate 0.325 W.

Accepted Answer

A) True 
 B)False

Question 4

If 12 V and -19 V sources are connected so their total voltage is -7 V, they are .

Accepted Answer

A) series aiding 
B) in parallel 
C) series opposing 
D) connected dangerously 
A) series aiding 
B) in parallel 
C) series opposing 
D) connected dangerously

Question 5

-Calculate the current in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

Accepted Answer

A) 1.6 mA 
B) 12 mA 
C) 3.2 mA 
D) 0 A 
A) 1.6 mA 
B) 12 mA 
C) 3.2 mA 
D) 0 A

Question 6

An open in a series circuit results in:

Accepted Answer

A) source voltage appearing across the open. 
B) no current flow. 
C) no power dissipation. 
D) all of these. 
A) source voltage appearing across the open. 
B) no current flow. 
C) no power dissipation. 
D) all of these.

Question 7

-Calculate VR3 in Figure 4 -1 if VT = 50 V, VR1 = 19.7 V and VR2 = 2.7 V.

Accepted Answer

A) 47.3 V 
B) 22.4 V 
C) 27.6 V 
D) 30.3 V 
A) 47.3 V 
B) 22.4 V 
C) 27.6 V 
D) 30.3 V

Question 8

If a resistor is dissipating 1/4 W, it can supply 1/4 W to the load.

Accepted Answer

A) True 
 B)False

Question 9

If R2 shorts in Figure 4 -1, the total circuit power .

Accepted Answer

A) increases 
B) remains the same 
C) depends upon the source voltage 
D) decreases 
A) increases 
B) remains the same 
C) depends upon the source voltage 
D) decreases

Question 10

Voltage sources in series increase both voltage and current capacity.

Accepted Answer

A) True 
 B)False

Question 11

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

Accepted Answer

A) voltage control. 
B) divider control. 
C) current control. 
D) volume control. 
A) voltage control. 
B) divider control. 
C) current control. 
D) volume control.

Question 12

According to Kirchhoff's Voltage Law, the sum of the individual voltage drops in a series circuit equals the source voltage.

Accepted Answer

A) True 
 B)False

Question 13

-VR1 = 16 V, Rµ = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ in Figure 4 -1. If R2 opens, then RT is .

Accepted Answer

A) 0 Ω 
B) 10 kΩ 
C) 25 kΩ 
D) infinite Ω 
A) 0 Ω 
B) 10 kΩ 
C) 25 kΩ 
D) infinite Ω

Question 14

R1 = 4.7 kΩ, R2 = 4.7 kΩ and R3 = 4.7 kΩ in Figure 4 -1. What is RT if R2 shorts?

Accepted Answer

A) 4.7 kΩ 
B) 0 Ω 
C) 9.4 kΩ 
D) infinite Ω 
A) 4.7 kΩ 
B) 0 Ω 
C) 9.4 kΩ 
D) infinite Ω

Question 15

If three 2.2 kΩ resistors are connected in series across a 50 V source, PT equals .

Accepted Answer

A) 52.08 mW 
B) 379 mW 
C) 402 mW 
D) 104.2 mW 
A) 52.08 mW 
B) 379 mW 
C) 402 mW 
D) 104.2 mW

Question 16

If 4.7 kΩ, 2.2 kΩ and 1.2 kΩ resistors are wired in series, the total resistance is 8.7 kΩ.

Accepted Answer

A) True 
 B)False

Question 17

If 5 V and 16 V power supplies are connected in series aiding, what is the total voltage?

Accepted Answer

A) 24 V 
B) 80 V 
C) 21 V 
D) 16 V 
A) 24 V 
B) 80 V 
C) 21 V 
D) 16 V

Question 18

-Calculate VR2 and VR3 in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

Accepted Answer

A) VR2 = 16 V, VR3 = 16 V 
B) VR2 = 16 V, VR3 = 12 V 
C) VR2 = 24 V, VR3 = 12 V 
D) VR2 = 16 V, VR3 = 24 V 
A) VR2 = 16 V, VR3 = 16 V 
B) VR2 = 16 V, VR3 = 12 V 
C) VR2 = 24 V, VR3 = 12 V 
D) VR2 = 16 V, VR3 = 24 V

Question 19

What is the total supply voltage if 16 V and 12 V sources are wired in series opposing?

Accepted Answer

A) 28 V 
B) 12 V 
C) 4 V 
D) 16 V 
A) 28 V 
B) 12 V 
C) 4 V 
D) 16 V

Question 20

In a series circuit, total power PT is calculated as:

Accepted Answer

A) P1 + P2 + P3 + etc. 
B) P1 ÷ P2 ÷ P3 ÷ etc. 
C) 1/P1 + 1/P2 + 1/P3 + etc. 
D) P1 × P2 × P3 × etc. 
A) P1 + P2 + P3 + etc. 
B) P1 ÷ P2 ÷ P3 ÷ etc. 
C) 1/P1 + 1/P2 + 1/P3 + etc. 
D) P1 × P2 × P3 × etc.

Circuit ground or chassis ground can be thought of as a:

If R1 = 12 kΩ and R2 = 5 kΩ and they are wired in series across a 20 V source, what is VR1 and VR2?

If a resistor is rated at 1/2 W, it can safely dissipate 0.325 W.

If 12 V and -19 V sources are connected so their total voltage is -7 V, they are .

-Calculate the current in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

An open in a series circuit results in:

-Calculate VR3 in Figure 4 -1 if VT = 50 V, VR1 = 19.7 V and VR2 = 2.7 V.

If a resistor is dissipating 1/4 W, it can supply 1/4 W to the load.

If R2 shorts in Figure 4 -1, the total circuit power .

Voltage sources in series increase both voltage and current capacity.

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

According to Kirchhoff's Voltage Law, the sum of the individual voltage drops in a series circuit equals the source voltage.

-VR1 = 16 V, Rµ = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ in Figure 4 -1. If R2 opens, then RT is .

R1 = 4.7 kΩ, R2 = 4.7 kΩ and R3 = 4.7 kΩ in Figure 4 -1. What is RT if R2 shorts?

If three 2.2 kΩ resistors are connected in series across a 50 V source, PT equals .

If 4.7 kΩ, 2.2 kΩ and 1.2 kΩ resistors are wired in series, the total resistance is 8.7 kΩ.

If 5 V and 16 V power supplies are connected in series aiding, what is the total voltage?

-Calculate VR2 and VR3 in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

What is the total supply voltage if 16 V and 12 V sources are wired in series opposing?

In a series circuit, total power PT is calculated as:

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Time Response of Reactive Circuits

Filters

Exam 4: Series Circuits

Circuit ground or chassis ground can be thought of as a:

If R1 = 12 kΩ and R2 = 5 kΩ and they are wired in series across a 20 V source, what is VR1 and VR2?

If a resistor is rated at 1/2 W, it can safely dissipate 0.325 W.

If 12 V and -19 V sources are connected so their total voltage is -7 V, they are .

-Calculate the current in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

An open in a series circuit results in:

-Calculate VR3 in Figure 4 -1 if VT = 50 V, VR1 = 19.7 V and VR2 = 2.7 V.

If a resistor is dissipating 1/4 W, it can supply 1/4 W to the load.

If R2 shorts in Figure 4 -1, the total circuit power .

Voltage sources in series increase both voltage and current capacity.

One of the most popular applications of a potentiometer is as an adjustable voltage divider also known as a:

According to Kirchhoff's Voltage Law, the sum of the individual voltage drops in a series circuit equals the source voltage.

-VR1 = 16 V, Rµ = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ in Figure 4 -1. If R2 opens, then RT is .

R1 = 4.7 kΩ, R2 = 4.7 kΩ and R3 = 4.7 kΩ in Figure 4 -1. What is RT if R2 shorts?

If three 2.2 kΩ resistors are connected in series across a 50 V source, PT equals .

If 4.7 kΩ, 2.2 kΩ and 1.2 kΩ resistors are wired in series, the total resistance is 8.7 kΩ.

If 5 V and 16 V power supplies are connected in series aiding, what is the total voltage?

-Calculate VR2 and VR3 in Figure 4 -1 if VR1 = 16 V, R1 = 10 kΩ, R2 = 10 kΩ and R3 = 15 kΩ.

What is the total supply voltage if 16 V and 12 V sources are wired in series opposing?

In a series circuit, total power PT is calculated as:

Systems, Quantities, and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rccircuits

Inductors

Rlcircuits

Rlccircuits and Resonance

Transformers

Time Response of Reactive Circuits

Filters