Question 1

Which subatomic particle has a positive charge?

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
D) Ion 
A) Proton 
B) Neutron 
C) Electron 
D) Ion A

Question 2

Which subatomic particle has no charge?

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
D) Ion 
A) Proton 
B) Neutron 
C) Electron 
D) Ion B

Question 3

The electrical resistance of a material does not vary with temperature.

Accepted Answer

A) True 
 B)False  False

Question 4

Voltage is sometime referred to as emf.What does emf stand for?

Accepted Answer

A) Electromagnetic frequency 
B) Electromotive frequency 
C) Electromagnetic force 
D) Electromotive force 
A) Electromagnetic frequency 
B) Electromotive frequency 
C) Electromagnetic force 
D) Electromotive force

Question 5

Which subatomic particle has a negative charge?

Accepted Answer

A) Proton 
B) Neutron 
C) Electron 
D) Ion 
A) Proton 
B) Neutron 
C) Electron 
D) Ion

Question 6

Some materials exhibit near-zero resistance at very low temperatures.This behavior is called

Accepted Answer

A) infra-resistance 
B) anti-resistance 
C) semiconductivity 
D) superconductivity 
A) infra-resistance 
B) anti-resistance 
C) semiconductivity 
D) superconductivity

Question 7

An electrical circuit refers to the combination of various electrical components that are connected together.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following batteries is an example of a primary cell?

Accepted Answer

A) Nickel-cadmium (NiCd) also known as "nicad" 
B) Nickel-metal hydride (NiMH) 
C) Alkaline 
D) Lead acid 
A) Nickel-cadmium (NiCd) also known as "nicad" 
B) Nickel-metal hydride (NiMH) 
C) Alkaline 
D) Lead acid

Question 9

the amount of light emitted by a lamp is expressed in lumens.

Accepted Answer

A) True 
 B)False

Question 10

Ohm's law describes the relationship between voltage, resistance, and current.Which of these is Ohm's law?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 11

According to a light bulb manufacturer, its 75 W CFL floodlight consumes 25 W and produces 1500 lumens.What is the efficacy of the floodlight?

Accepted Answer

The answer of According to a light bulb manufacturer, its...

Question 12

One kilowatt hour represents the amount of power consumed during 1 hour by a device that uses one kilowatt (kW).

Accepted Answer

A) True 
 B)False

Question 13

A common unit of illumination intensity is called a footcandle and is equal to

Accepted Answer

A) the amount of light one foot away from a candle. 
B) the amount of light from a one-foot long candle. 
C) one lumen distributed over an area of 1-square-foot. 
D) none of the above 
A) the amount of light one foot away from a candle. 
B) the amount of light from a one-foot long candle. 
C) one lumen distributed over an area of 1-square-foot. 
D) none of the above

Question 14

Some of the factors that engineers consider when selecting a motor for an application are:

Accepted Answer

A) motor type and speed (rpm). 
B) motor performance and efficiency. 
C) cost, life expectancy, and noise level. 
D) maintenance and service requirements. 
E) all of the above 
A) motor type and speed (rpm). 
B) motor performance and efficiency. 
C) cost, life expectancy, and noise level. 
D) maintenance and service requirements. 
E) all of the above

Question 15

The flow of electric charge that occurs in one direction that is typically produced by batteries is known as

Accepted Answer

A) ac current. 
B) dc current. 
C) ac/dc current. 
D) unidirectional current. 
A) ac current. 
B) dc current. 
C) ac/dc current. 
D) unidirectional current.

Question 16

The flow of electric charge that periodically reverses direction that is typically produced by rotating generators is known as

Accepted Answer

A) ac current. 
B) dc current. 
C) ac/dc current. 
D) omni directional current. 
A) ac current. 
B) dc current. 
C) ac/dc current. 
D) omni directional current.

Question 17

One coulomb is defined as the amount of charge that passes a point in a wire in 1 second when a current of 1 ampere is flowing through the wire.

Accepted Answer

A) True 
 B)False

Question 18

The flow of charge will occur when the two bodies are connected by an electrical conductor such as a copper wire.The flow of electric charge is called electric current.

Accepted Answer

A) True 
 B)False

Question 19

Most indoor fluorescent light fixtures contain two or three 40-watt bulbs each.If a classroom has 15 fluorescent light fixtures, each with three 40-watt bulbs, how much does it cost to leave the lights on for a two-hour class? Assume the electric company charges approximately 10 cents per kilowatt-hour.

Accepted Answer

The answer of Most indoor fluorescent light fixtures contain two...

Question 20

Electrical resistance is a fundamental dimension.

Accepted Answer

A) True 
 B)False

Which subatomic particle has a positive charge?

Which subatomic particle has no charge?

The electrical resistance of a material does not vary with temperature.

Voltage is sometime referred to as emf.What does emf stand for?

Which subatomic particle has a negative charge?

Some materials exhibit near-zero resistance at very low temperatures.This behavior is called

An electrical circuit refers to the combination of various electrical components that are connected together.

Which of the following batteries is an example of a primary cell?

the amount of light emitted by a lamp is expressed in lumens.

Ohm's law describes the relationship between voltage, resistance, and current.Which of these is Ohm's law?

According to a light bulb manufacturer, its 75 W CFL floodlight consumes 25 W and produces 1500 lumens.What is the efficacy of the floodlight?

One kilowatt hour represents the amount of power consumed during 1 hour by a device that uses one kilowatt (kW).

A common unit of illumination intensity is called a footcandle and is equal to

Some of the factors that engineers consider when selecting a motor for an application are:

The flow of electric charge that occurs in one direction that is typically produced by batteries is known as

The flow of electric charge that periodically reverses direction that is typically produced by rotating generators is known as

One coulomb is defined as the amount of charge that passes a point in a wire in 1 second when a current of 1 ampere is flowing through the wire.

The flow of charge will occur when the two bodies are connected by an electrical conductor such as a copper wire.The flow of electric charge is called electric current.

Electrical resistance is a fundamental dimension.

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Computational Engineering Tools: Matlab

Engineering Drawings and Symbols

Engineering Materials

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

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Exam 12: Electric Current and Related Variables in Engineering

Which subatomic particle has a positive charge?

Which subatomic particle has no charge?

The electrical resistance of a material does not vary with temperature.

Voltage is sometime referred to as emf.What does emf stand for?

Which subatomic particle has a negative charge?

Some materials exhibit near-zero resistance at very low temperatures.This behavior is called

An electrical circuit refers to the combination of various electrical components that are connected together.

Which of the following batteries is an example of a primary cell?

the amount of light emitted by a lamp is expressed in lumens.

Ohm's law describes the relationship between voltage, resistance, and current.Which of these is Ohm's law?

According to a light bulb manufacturer, its 75 W CFL floodlight consumes 25 W and produces 1500 lumens.What is the efficacy of the floodlight?

One kilowatt hour represents the amount of power consumed during 1 hour by a device that uses one kilowatt (kW).

A common unit of illumination intensity is called a footcandle and is equal to

Some of the factors that engineers consider when selecting a motor for an application are:

The flow of electric charge that occurs in one direction that is typically produced by batteries is known as

The flow of electric charge that periodically reverses direction that is typically produced by rotating generators is known as

One coulomb is defined as the amount of charge that passes a point in a wire in 1 second when a current of 1 ampere is flowing through the wire.

The flow of charge will occur when the two bodies are connected by an electrical conductor such as a copper wire.The flow of electric charge is called electric current.

Electrical resistance is a fundamental dimension.

Introduction to the Engineering Profession

Preparing for an Engineering Career

Introduction to Engineering Design

Engineering Communication

Engineering Ethics

Fundamental Dimensions and Units

Length and Length-Related Variables in Engineering

Time and Time-Related Variables in Engineering

Mass and Mass-Related Variables in Engineering

Force and Force-Related Variables in Engineering

Temperature and Temperature-Related Variables in Engineering

Energy and Power

Computational Engineering Tools: Electronic Spreadsheets

Computational Engineering Tools: Matlab

Engineering Drawings and Symbols

Engineering Materials

Mathematics in Engineering

Probability and Statistics in Engineering

Engineering Economics

Filters