Question 1

​Match each item with the correct statement below.
-rate of flow of electric charge

Accepted Answer

A) ​AC 
B) ​attract 
C) ​critical temperature 
D) ​electric current 
E) ​DC
F)​electric field
G)​negative ion
H)​positive ion
I)​repel
J)​resistance
K)​semiconductor
L)​transformer
M)​superconductor
N)​voltage
O)​electric charge
P)​ohmic heating 
A) ​AC 
B) ​attract 
C) ​critical temperature 
D) ​electric current 
E) ​DC
F)​electric field
G)​negative ion
H)​positive ion
I)​repel
J)​resistance
K)​semiconductor
L)​transformer
M)​superconductor
N)​voltage
O)​electric charge
P)​ohmic heating

Question 2

The energy per unit charge supplied by a battery is its

Accepted Answer

A) voltage. 
B) current. 
C) resistance. 
D) electric field. 
E) critical temperature. 
A) voltage. 
B) current. 
C) resistance. 
D) electric field. 
E) critical temperature.

Question 3

In a parallel circuit with three resistors all the same size,the current flow though each leg of the circuit will be equal.

Accepted Answer

A) True 
 B)False

Question 4

An alternate equation for power in an electric circuit is P = IR.

Accepted Answer

A) True 
 B)False

Question 5

If the temperature of a wire increases,its resistance __________.

Accepted Answer

The answer of If the temperature of a wire increases,its...

Question 6

A battery in a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 3 ohms.What is the voltage of the battery?

Accepted Answer

The answer of A battery in a large flashlight produces...

Question 7

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts.
-The power consumed by the light bulb is __________.

Accepted Answer

The answer of A light bulb used in a slide...

Question 8

If three identical bulbs are connected in parallel across a 12-V battery,the voltage across each bulb will be

Accepted Answer

A) 12 V. 
B) 4 V. 
C) different. 
D) none of the above. 
A) 12 V. 
B) 4 V. 
C) different. 
D) none of the above.

Question 9

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts.
-The resistance of the light bulb is __________.

Accepted Answer

The answer of A light bulb used in a slide...

Question 10

Larger batteries have higher output voltages.

Accepted Answer

A) True 
 B)False

Question 11

When a 12-volt car battery is short circuited with a wire,the current drawn from the battery is 100 amperes.The resistance of the wire is __________.

Accepted Answer

The answer of When a 12-volt car battery is short...

Question 12

In the U.S. ,AC line voltage oscillates at a frequency of __________.

Accepted Answer

The answer of In the U.S. ,AC line voltage oscillates...

Question 13

The electric field shown is produced by a single point charge at the center of the picture.  
-What force will a negative charge placed at location C feel?

Accepted Answer

A) zero 
B) a force up and to the left 
C) a force up and to the right 
D) a force down and to the left 
E) a force down and to the right 
A) zero 
B) a force up and to the left 
C) a force up and to the right 
D) a force down and to the left 
E) a force down and to the right

Question 14

If an electric toaster operating on 120 volts draws a current of 6 amperes,the resistance of the toaster is 20 ohms.

Accepted Answer

A) True 
 B)False

Question 15

What is meant by 'like charges?'

Accepted Answer

A) charges that are both positive 
B) equal amounts of charge 
C) charges that are both negative 
D) A and C 
A) charges that are both positive 
B) equal amounts of charge 
C) charges that are both negative 
D) A and C

Question 16

An object that has zero resistance is a semiconductor.

Accepted Answer

A) True 
 B)False

Question 17

In a thunderstorm cloud,the concentration of negative charge is in the __________ portion of the cloud.

Accepted Answer

The answer of In a thunderstorm cloud,the concentration of negative...

Question 18

What is meant by 'net charge?'

Accepted Answer

A) the total amount of positive charge on an object 
B) the total amount of negative charge on an object 
C) the total amount of neutral charge on an object 
D) A minus B 
A) the total amount of positive charge on an object 
B) the total amount of negative charge on an object 
C) the total amount of neutral charge on an object 
D) A minus B

Question 19

In general,an insulator will have a low resistance to current flow.

Accepted Answer

A) True 
 B)False

Question 20

In the U.S.AC line voltage oscillates at a frequency of

Accepted Answer

A) 50 Hz. 
B) 60 Hz. 
C) 120 Hz. 
D) none of the above. 
A) 50 Hz. 
B) 60 Hz. 
C) 120 Hz. 
D) none of the above.

Match each item with the correct statement below. -rate of flow of electric charge

The energy per unit charge supplied by a battery is its

In a parallel circuit with three resistors all the same size,the current flow though each leg of the circuit will be equal.

An alternate equation for power in an electric circuit is P = IR.

If the temperature of a wire increases,its resistance __________.

A battery in a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 3 ohms.What is the voltage of the battery?

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. -The power consumed by the light bulb is __________.

If three identical bulbs are connected in parallel across a 12-V battery,the voltage across each bulb will be

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. -The resistance of the light bulb is __________.

Larger batteries have higher output voltages.

When a 12-volt car battery is short circuited with a wire,the current drawn from the battery is 100 amperes.The resistance of the wire is __________.

In the U.S. ,AC line voltage oscillates at a frequency of __________.

The electric field shown is produced by a single point charge at the center of the picture. -What force will a negative charge placed at location C feel?

If an electric toaster operating on 120 volts draws a current of 6 amperes,the resistance of the toaster is 20 ohms.

What is meant by 'like charges?'

An object that has zero resistance is a semiconductor.

In a thunderstorm cloud,the concentration of negative charge is in the __________ portion of the cloud.

What is meant by 'net charge?'

In general,an insulator will have a low resistance to current flow.

In the U.S.AC line voltage oscillates at a frequency of

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

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Exam 7: Electricity

​Match each item with the correct statement below. -rate of flow of electric charge

The energy per unit charge supplied by a battery is its

In a parallel circuit with three resistors all the same size,the current flow though each leg of the circuit will be equal.

An alternate equation for power in an electric circuit is P = IR.

If the temperature of a wire increases,its resistance __________.

A battery in a large flashlight produces a current of 2 amperes in a light bulb that has a resistance of 3 ohms.What is the voltage of the battery?

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. -The power consumed by the light bulb is __________.

If three identical bulbs are connected in parallel across a 12-V battery,the voltage across each bulb will be

A light bulb used in a slide projector draws a current of 6 amperes when operating on 120 volts. -The resistance of the light bulb is __________.

Larger batteries have higher output voltages.

When a 12-volt car battery is short circuited with a wire,the current drawn from the battery is 100 amperes.The resistance of the wire is __________.

In the U.S. ,AC line voltage oscillates at a frequency of __________.

The electric field shown is produced by a single point charge at the center of the picture. -What force will a negative charge placed at location C feel?

If an electric toaster operating on 120 volts draws a current of 6 amperes,the resistance of the toaster is 20 ohms.

What is meant by 'like charges?'

An object that has zero resistance is a semiconductor.

In a thunderstorm cloud,the concentration of negative charge is in the __________ portion of the cloud.

What is meant by 'net charge?'

In general,an insulator will have a low resistance to current flow.

In the U.S.AC line voltage oscillates at a frequency of

The Study of Motion

Newtons Laws

Energy and Conservation Laws

Physics of Matter

Temperature and Heat

Waves and Sound

Electromagnetism and Em Waves

Optics

Atomic Physics

Nuclear Physics

Special Relativity and Elementary Particles

Filters

Match each item with the correct statement below. -rate of flow of electric charge