Question 1

Normally a small party balloon charged to several thousand volts will have a relatively small amount of

Accepted Answer

A)  charge and energy. 
B)  energy. 
C)  charge 
D)  neither charge or energy. 
A)  charge and energy. 
B)  energy. 
C)  charge 
D)  neither charge or energy. A

Question 2

When two lamps are connected in series to a battery, the electrical resistance that the battery senses is

Accepted Answer

A)  more than the resistance of either lamp. 
B)  less than the resistance of either lamp. 
C)  none of these 
A)  more than the resistance of either lamp. 
B)  less than the resistance of either lamp. 
C)  none of these A

Question 3

A wire that carries an electric current

Accepted Answer

A)  is never electrically charged. 
B)  may be electrically charged. 
C)  is electrically charged. 
A)  is never electrically charged. 
B)  may be electrically charged. 
C)  is electrically charged. B

Question 4

A transistor is an example of a

Accepted Answer

A)  resistor. 
B)  semiconductor. 
C)  superconductor. 
D)  transmitter. 
E)  dry cell. 
A)  resistor. 
B)  semiconductor. 
C)  superconductor. 
D)  transmitter. 
E)  dry cell.

Question 5

If you plug an electric toaster rated at 110 V into a 220-V outlet, the current in the toaster will be about

Accepted Answer

A)  twice what it should be. 
B)  more than twice what it should be. 
C)  half what it should be. 
D)  the same as if it were plugged into 110 V. 
A)  twice what it should be. 
B)  more than twice what it should be. 
C)  half what it should be. 
D)  the same as if it were plugged into 110 V.

Question 6

Two charged particles held near each other are released. As they move, the acceleration of each decreases. Therefore, the particles have

Accepted Answer

A)  the same sign. 
B)  opposite signs. 
C)  not enough information given 
A)  the same sign. 
B)  opposite signs. 
C)  not enough information given

Question 7

Two charges separated by one meter exert 1-N forces on each other. If the charges are pushed to 1/4 meter separation, the force on each charge will be

Accepted Answer

A)  4 N. 
B)  1 N. 
C)  8 N. 
D)  2 N. 
E)  16 N. 
A)  4 N. 
B)  1 N. 
C)  8 N. 
D)  2 N. 
E)  16 N.

Question 8

Compared to the filament thickness of a 60-W light bulb, the filament of a 100-W light bulb will be

Accepted Answer

A)  thinner. 
B)  thicker. 
C)  the same. 
A)  thinner. 
B)  thicker. 
C)  the same.

Question 9

The electric field inside the dome of a Van de Graaff generator

Accepted Answer

A)  depends on the volume of the dome 
B)  depends on the amount of charge the outside of dome. 
C)  Choices A and B are both correct. 
D)  None of the above choices are correct.. 
A)  depends on the volume of the dome 
B)  depends on the amount of charge the outside of dome. 
C)  Choices A and B are both correct. 
D)  None of the above choices are correct..

Question 10

An ampere is a unit of electrical

Accepted Answer

A)  resistance. 
B)  current. 
C)  pressure. 
D)  all of these 
E)  none of these 
A)  resistance. 
B)  current. 
C)  pressure. 
D)  all of these 
E)  none of these

Question 11

A 60-W light bulb and a 100-W light bulb are connected in series to a 120 V outlet. Which light bulb has more current in it?

Accepted Answer

A)  the 100-W bulb 
B)  the 60-W bulb 
C)  Both have the same current. 
A)  the 100-W bulb 
B)  the 60-W bulb 
C)  Both have the same current.

Question 12

An electron and a proton

Accepted Answer

A)  attract each other. 
B)  repel each other. 
C)  neither attract or repel each other. 
A)  attract each other. 
B)  repel each other. 
C)  neither attract or repel each other.

Question 13

Charge carriers in a metal are electrons rather than protons because electrons are

Accepted Answer

A)  negative. 
B)  loosely bound. 
C)  smaller. 
D)  all of these. 
E)  none of these. 
A)  negative. 
B)  loosely bound. 
C)  smaller. 
D)  all of these. 
E)  none of these.

Question 14

A positive charge and a negative charge held near each other are released. As they move, the force on each particle

Accepted Answer

A)  decreases. 
B)  stays the same. 
C)  increases. 
A)  decreases. 
B)  stays the same. 
C)  increases.

Question 15

In a simple circuit containing a bulb, energy is given to the moving charges by

Accepted Answer

A)  a generator. 
B)  the bulb. 
C)  the wires. 
D)  none of these 
A)  a generator. 
B)  the bulb. 
C)  the wires. 
D)  none of these

Question 16

A sphere has a negative charge of 6.4 × 10-7 coulomb. The approximate number of electrons that must be removed to make the sphere neutral is

Accepted Answer

A)  1.6 × 10-8. 
B)  6.4 × 1026 . 
C)  9.8 × 103. 
D)  4.0 × 1012 . 
A)  1.6 × 10-8. 
B)  6.4 × 1026 . 
C)  9.8 × 103. 
D)  4.0 × 1012 .

Question 17

A 60-W light bulb and a 100-W light bulb are each rated at 120 V. Which light bulb has a larger resistance?

Accepted Answer

A)  the 60-W bulb 
B)  the 100-W bulb 
C)  Both have the same resistance. 
A)  the 60-W bulb 
B)  the 100-W bulb 
C)  Both have the same resistance.

Question 18

Electric potential, measured in volts, is the ratio of electric energy to amount of electric

Accepted Answer

A)  charge. 
B)  current. 
C)  resistance. 
D)  voltage. 
E)  None of the above choices are correct. 
A)  charge. 
B)  current. 
C)  resistance. 
D)  voltage. 
E)  None of the above choices are correct.

Question 19

A capacitor is used to store

Accepted Answer

A)  both charge and energy. 
B)  energy. 
C)  charge. 
D)  neither charge or energy. 
A)  both charge and energy. 
B)  energy. 
C)  charge. 
D)  neither charge or energy.

Question 20

Compared to a single lamp connected to a battery, two lamps connected in parallel to the same battery will carry

Accepted Answer

A)  more current. 
B)  less current. 
C)  the same current. 
A)  more current. 
B)  less current. 
C)  the same current.

Normally a small party balloon charged to several thousand volts will have a relatively small amount of

When two lamps are connected in series to a battery, the electrical resistance that the battery senses is

A wire that carries an electric current

A transistor is an example of a

If you plug an electric toaster rated at 110 V into a 220-V outlet, the current in the toaster will be about

Two charged particles held near each other are released. As they move, the acceleration of each decreases. Therefore, the particles have

Two charges separated by one meter exert 1-N forces on each other. If the charges are pushed to 1/4 meter separation, the force on each charge will be

Compared to the filament thickness of a 60-W light bulb, the filament of a 100-W light bulb will be

The electric field inside the dome of a Van de Graaff generator

An ampere is a unit of electrical

A 60-W light bulb and a 100-W light bulb are connected in series to a 120 V outlet. Which light bulb has more current in it?

An electron and a proton

Charge carriers in a metal are electrons rather than protons because electrons are

A positive charge and a negative charge held near each other are released. As they move, the force on each particle

In a simple circuit containing a bulb, energy is given to the moving charges by

A sphere has a negative charge of 6.4 × 10-7 coulomb. The approximate number of electrons that must be removed to make the sphere neutral is

A 60-W light bulb and a 100-W light bulb are each rated at 120 V. Which light bulb has a larger resistance?

Electric potential, measured in volts, is the ratio of electric energy to amount of electric

A capacitor is used to store

Compared to a single lamp connected to a battery, two lamps connected in parallel to the same battery will carry

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Exam 10: Static and Current Electricity

Normally a small party balloon charged to several thousand volts will have a relatively small amount of

When two lamps are connected in series to a battery, the electrical resistance that the battery senses is

A wire that carries an electric current

A transistor is an example of a

If you plug an electric toaster rated at 110 V into a 220-V outlet, the current in the toaster will be about

Two charged particles held near each other are released. As they move, the acceleration of each decreases. Therefore, the particles have

Two charges separated by one meter exert 1-N forces on each other. If the charges are pushed to 1/4 meter separation, the force on each charge will be

Compared to the filament thickness of a 60-W light bulb, the filament of a 100-W light bulb will be

The electric field inside the dome of a Van de Graaff generator

An ampere is a unit of electrical

A 60-W light bulb and a 100-W light bulb are connected in series to a 120 V outlet. Which light bulb has more current in it?

An electron and a proton

Charge carriers in a metal are electrons rather than protons because electrons are

A positive charge and a negative charge held near each other are released. As they move, the force on each particle

In a simple circuit containing a bulb, energy is given to the moving charges by

A sphere has a negative charge of 6.4 × 10-7 coulomb. The approximate number of electrons that must be removed to make the sphere neutral is

A 60-W light bulb and a 100-W light bulb are each rated at 120 V. Which light bulb has a larger resistance?

Electric potential, measured in volts, is the ratio of electric energy to amount of electric

A capacitor is used to store

Compared to a single lamp connected to a battery, two lamps connected in parallel to the same battery will carry

About Science

Atoms

Equilibrium and Linear Motion

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Temperature, Heat, and Thermodynamics

Heat Transfer and Change of Phase

Magnetism and Electromagnetic Induction

Waves and Sound

Light Waves

Properties of Light

Quantum Theory

The Atomic Nucleus and Radioactivity

Physics of Rotation and Equilibrium

Filters