Question 1

An electric current is measured in units of

Accepted Answer

A) volt. 
B) amp. 
C) watt. 
D) coulomb. 
A) volt. 
B) amp. 
C) watt. 
D) coulomb.

Question 2

When a switch is closed in a DC electrical circuit,

Accepted Answer

A) electrons flow through the conductor at a very slow speed. 
B) the electric field moves through the conductor at nearly the speed of light. 
C) the current flow is proportional to the potential difference. 
D) All of the above. 
A) electrons flow through the conductor at a very slow speed. 
B) the electric field moves through the conductor at nearly the speed of light. 
C) the current flow is proportional to the potential difference. 
D) All of the above.

Question 3

What is it that travels through an electric circuit at near the speed of light?

Accepted Answer

A) electrons 
B) protons 
C) a potential difference 
D) an electric field 
A) electrons 
B) protons 
C) a potential difference 
D) an electric field

Question 4

The reading on your electric bill shows the amount of power you have used in a month.

Accepted Answer

A) True 
 B)False

Question 5

The volt is a measure of the difference in electrical potential energy between two points.

Accepted Answer

A) True 
 B)False

Question 6

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil.
-What is the current in the secondary if the current is the primary coil is 5.0 A?

Accepted Answer

A) 2.5 A 
B) 5.0 A 
C) 10.0 A 
D) 20.0 A 
A) 2.5 A 
B) 5.0 A 
C) 10.0 A 
D) 20.0 A

Question 7

If you double the distance between two charged objects, you reduce the electrical force by a factor of four.

Accepted Answer

A) True 
 B)False

Question 8

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil.
-What is the voltage in the secondary coil if the primary coil is supplied with 120 V?

Accepted Answer

A) 120 V 
B) 60 V 
C) 240 V 
D) 480 V 
A) 120 V 
B) 60 V 
C) 240 V 
D) 480 V

Question 9

The unit of electric charge is called a (an)

Accepted Answer

A) electron. 
B) ampere. 
C) coulomb. 
D) ohm. 
A) electron. 
B) ampere. 
C) coulomb. 
D) ohm.

Question 10

The north end of a suspended magnet will point to the magnetic north pole.

Accepted Answer

A) True 
 B)False

An electric current is measured in units of

When a switch is closed in a DC electrical circuit,

What is it that travels through an electric circuit at near the speed of light?

The reading on your electric bill shows the amount of power you have used in a month.

The volt is a measure of the difference in electrical potential energy between two points.

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil. -What is the current in the secondary if the current is the primary coil is 5.0 A?

If you double the distance between two charged objects, you reduce the electrical force by a factor of four.

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil. -What is the voltage in the secondary coil if the primary coil is supplied with 120 V?

The unit of electric charge is called a (an)

The north end of a suspended magnet will point to the magnetic north pole.

What Is Science

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Light

Atoms and Periodic Properties

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters

Exam 6: Electricity

An electric current is measured in units of

When a switch is closed in a DC electrical circuit,

What is it that travels through an electric circuit at near the speed of light?

The reading on your electric bill shows the amount of power you have used in a month.

The volt is a measure of the difference in electrical potential energy between two points.

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil. -What is the current in the secondary if the current is the primary coil is 5.0 A?

If you double the distance between two charged objects, you reduce the electrical force by a factor of four.

Consider an electrical transformer has 10 loops on its primary coil and 20 loops on its secondary coil. -What is the voltage in the secondary coil if the primary coil is supplied with 120 V?

The unit of electric charge is called a (an)

The north end of a suspended magnet will point to the magnetic north pole.

What Is Science

Motion

Energy

Heat and Temperature

Wave Motions and Sound

Light

Atoms and Periodic Properties

Chemical Bonds

Chemical Reactions

Water and Solutions

Organic Chemistry

Nuclear Reactions

The Universe

The Solar System

Earth in Space

Rocks and Minerals

Plate Tectonics

Building Earths Surface

Shaping Earths Surface

Geologic Time

The Atmosphere of Earth

Weather and Climate

Earths Waters

Filters