Question 1

A resistor coded with Red-Violet-Black-Gold bands respectively, would be of what value and tolerance?

Accepted Answer

A)  27 Ω +/- 5% 
B)  0.27 Ω +/- 5% 
C)  2.7 Ω +/- 5% 
D)  270 Ω +/- 5% 
A)  27 Ω +/- 5% 
B)  0.27 Ω +/- 5% 
C)  2.7 Ω +/- 5% 
D)  270 Ω +/- 5% A

Question 2

In Bohr's model, the _ _ level is called the ground state and represents the _ atom with a single electron in the first shell.

Accepted Answer

A)  lowest, least stable 
B)  highest, most stable 
C)  lowest, most stable 
D)  lowest, least stable. 
A)  lowest, least stable 
B)  highest, most stable 
C)  lowest, most stable 
D)  lowest, least stable. C

Question 3

The process of gaining a valence electron is known as ionization.

Accepted Answer

A) True 
 B)False  False

Question 4

Siemens is a unit for:

Accepted Answer

A)  resistance 
B)  current 
C)  voltage 
D)  conductance 
A)  resistance 
B)  current 
C)  voltage 
D)  conductance

Question 5

What is the most commonly used conductor in electronics?

Accepted Answer

A)  copper 
B)  silver 
C)  aluminum 
D)  gold 
A)  copper 
B)  silver 
C)  aluminum 
D)  gold

Question 6

Which of the following is a true statement?

Accepted Answer

A)  Collisions do not cause electrons to lose some of their energy. 
B)  The property of a material to oppose current flow is called work. 
C)  The more collisions, the more restrictive the flow of electrons. 
D)  The more collisions, the easier the flow of electrons. 
A)  Collisions do not cause electrons to lose some of their energy. 
B)  The property of a material to oppose current flow is called work. 
C)  The more collisions, the more restrictive the flow of electrons. 
D)  The more collisions, the easier the flow of electrons.

Question 7

The outermost shell of an atom is called the valence shell.

Accepted Answer

A) True 
 B)False

Question 8

In the neutral state all atoms contain the same number of protons and electrons.

Accepted Answer

A) True 
 B)False

Question 9

Current value depends on the amount of charge moving past a point in a unit of time.

Accepted Answer

A) True 
 B)False

Question 10

would NOT increase the resistance of the wire.

Accepted Answer

A)  Use in a hotter environment 
B)  A smaller diameter wire 
C)  A lower AWG size wire 
D)  Winding pattern 
A)  Use in a hotter environment 
B)  A smaller diameter wire 
C)  A lower AWG size wire 
D)  Winding pattern

Question 11

If a fluid system is compared to an electrical system, the fluid pump will correspond to a:

Accepted Answer

A)  generator 
B)  conductor 
C)  battery 
D)  both A and C 
A)  generator 
B)  conductor 
C)  battery 
D)  both A and C

Question 12

Which of the following is NOT needed to form an electric circuit?

Accepted Answer

A)  conductive path for current 
B)  switch 
C)  voltage source 
D)  load 
A)  conductive path for current 
B)  switch 
C)  voltage source 
D)  load

Question 13

Electrical current is defined as the movement of which subatomic particles?

Accepted Answer

A)  protons 
B)  electrons 
C)  neutrons 
D)  molecules 
A)  protons 
B)  electrons 
C)  neutrons 
D)  molecules

Question 14

Which of the following is NOT a true statement?

Accepted Answer

A)  Lithium-Ion is a primary battery. 
B)  Batteries are usually classified according to their chemical makeup. 
C)  A lead-acid battery is a secondary rechargeable) battery. 
D)  Flat, round batteries are often called button or coin batteries. 
A)  Lithium-Ion is a primary battery. 
B)  Batteries are usually classified according to their chemical makeup. 
C)  A lead-acid battery is a secondary rechargeable) battery. 
D)  Flat, round batteries are often called button or coin batteries.

Question 15

The unit of electrical charge is measured in:

Accepted Answer

A)  amperes 
B)  Coulombs 
C)  positive or negative charges 
D)  free electrons 
A)  amperes 
B)  Coulombs 
C)  positive or negative charges 
D)  free electrons

Question 16

The negative and positive charge symbols are assigned in that order) to the:

Accepted Answer

A)  proton and electron 
B)  electron and proton 
C)  electron and element 
D)  atom and nucleus 
A)  proton and electron 
B)  electron and proton 
C)  electron and element 
D)  atom and nucleus

Question 17

What is the resistance value and tolerance with color bands of gray, red, black, and gold?

Accepted Answer

A)  820 ohms, ± 10% 
B)  820 ohms, ± 5% 
C)  82 ohms, ± 10% 
D)  82 ohms, ± 5% 
A)  820 ohms, ± 10% 
B)  820 ohms, ± 5% 
C)  82 ohms, ± 10% 
D)  82 ohms, ± 5%

Question 18

The switch shown is a:

Accepted Answer

A)  SPDT 
B)  DPDT 
C)  DPST 
D)  SPST 
A)  SPDT 
B)  DPDT 
C)  DPST 
D)  SPST

Question 19

A potentiometer is a:

Accepted Answer

A)  3-terminal device 
B)  variable resistor 
C)  voltage-control device 
D)  all of the above 
A)  3-terminal device 
B)  variable resistor 
C)  voltage-control device 
D)  all of the above

Question 20

Which statement is NOT true?

Accepted Answer

A)  A rheostat is a two terminal device 
B)  A potentiometer can be used as a rheostat. 
C)  A rheostat can be used as a potentiometer 
D)  A potentiometer is a three terminal device. 
A)  A rheostat is a two terminal device 
B)  A potentiometer can be used as a rheostat. 
C)  A rheostat can be used as a potentiometer 
D)  A potentiometer is a three terminal device.

Exam 2: Voltage, Current, and Resistance

A resistor coded with Red-Violet-Black-Gold bands respectively, would be of what value and tolerance?

In Bohr's model, the _ _ level is called the ground state and represents the _ atom with a single electron in the first shell.

The process of gaining a valence electron is known as ionization.

Siemens is a unit for:

What is the most commonly used conductor in electronics?

Which of the following is a true statement?

The outermost shell of an atom is called the valence shell.

In the neutral state all atoms contain the same number of protons and electrons.

Current value depends on the amount of charge moving past a point in a unit of time.

would NOT increase the resistance of the wire.

If a fluid system is compared to an electrical system, the fluid pump will correspond to a:

Which of the following is NOT needed to form an electric circuit?

Electrical current is defined as the movement of which subatomic particles?

Which of the following is NOT a true statement?

The unit of electrical charge is measured in:

The negative and positive charge symbols are assigned in that order) to the:

What is the resistance value and tolerance with color bands of gray, red, black, and gold?

The switch shown is a:

A potentiometer is a:

Which statement is NOT true?

Quantities and Units

Ohms Law

Energy and Power

Series Circuits

Parallel 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