Conceptual Physics Questions With
100% Correct Answers
The charge of an electron is ____. - Answer-Negative
/.Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons
/.Two like charges ____. - Answer-Repel each other
/.Protons and electrons ____. - Answer-Attract each other
/.Electrical forces between charges are normally strongest when the charges are _____.
- Answer-Close together
/.Coulomb's law says that the force between any two charges depends _____. -
Answer-Directly in the size of the charges and inversely on the square of the distance
between the charges
/.When the distance between two charges is halved, the electrical force between the
charges _____. - Answer-Quadruples
/.The net charge of an nonionized atom _____. - Answer-Is zero
/.If you comb your hair and the comb becomes positively charged, your hair becomes
____. - Answer-Negatively charged
/.A difference between electrical forces and gravitational forces is that electrical forces
include _____. - Answer-Repulsive interactions
/.In a good insulator, electrons are usually _____. - Answer-Tightly bound in place
/.Objects can be charged by _____. - Answer-Touching, induction, and friction
/.A negatively charged rod is brought near a metal can that rests on a wood table. You
touch the opposite side of the can momentarily with your finger. The can is then ____. -
Answer-Positively charged
/.An electroscope is charged positively, as shown by foil leaved that stand apart. As a
negative charge is brought close to the electroscope, the leaves ____. - Answer-Move
closer together
/.Lightening bolts occur between ____. - Answer-Both clouds and clouds and the
ground
, /.Electrical polarization occurs when _____. - Answer-Charge distribution in a neutral
molecule separates.
/.The reason a charged balloon will stick to a wall is that ____. - Answer-Induced
opposite charges in the wall are closer than other wall charges.
/.Two charged particles held close to each other are released. As they move, the force
on each particle increases. Therefore, the particles have _____. - Answer-Opposite
signs
/.Two charged particles held near each other are released. As they move, the
acceleration of each decreases. Therefore, the particles have ____. - Answer-The same
sign
/.The SI unit of charge is the _____. - Answer-Coulomb
/.Two charges separated a distance of 1 meter exert a 1-N force on each other. If the
charges are pulled to a 2-m separation distance, the force on each charge will be ____.
- Answer-0.25 N
/.Two charges separated a distance of 1 meter exert 1-N force on each other. If the
charges are pushed to a separation of 1/4 meter, the force on each charge will be ____.
- Answer-16 N
/.If you walk into a region of space and suddenly feel a force, the space is said to
contain a _____. - Answer-Force field
/.An electric field has _____. - Answer-Magnitude and direction
/.The direction of electric field lines show the ____. - Answer-Direction of the force on a
test positive charge
/.Suppose a hollow metal sphere has a large negative charge on it. The electric field
strength inside the sphere is _____. - Answer-Zero
/.Suppose you touch a negatively charged object to a metal sphere so that electrons
move from the charged object onto the sphere. after far separation of the charged
object, electrons on the sphere will be _____. - Answer-Distributed evenly over the
sphere's surface
/.A small, positively charged object near a positively charged sphere is moved closer to
the sphere. The electric potential energy of the small object _____. - Answer-Increases
100% Correct Answers
The charge of an electron is ____. - Answer-Negative
/.Atomic nuclei of almost all elements consist of _____. - Answer-Protons and neutrons
/.Two like charges ____. - Answer-Repel each other
/.Protons and electrons ____. - Answer-Attract each other
/.Electrical forces between charges are normally strongest when the charges are _____.
- Answer-Close together
/.Coulomb's law says that the force between any two charges depends _____. -
Answer-Directly in the size of the charges and inversely on the square of the distance
between the charges
/.When the distance between two charges is halved, the electrical force between the
charges _____. - Answer-Quadruples
/.The net charge of an nonionized atom _____. - Answer-Is zero
/.If you comb your hair and the comb becomes positively charged, your hair becomes
____. - Answer-Negatively charged
/.A difference between electrical forces and gravitational forces is that electrical forces
include _____. - Answer-Repulsive interactions
/.In a good insulator, electrons are usually _____. - Answer-Tightly bound in place
/.Objects can be charged by _____. - Answer-Touching, induction, and friction
/.A negatively charged rod is brought near a metal can that rests on a wood table. You
touch the opposite side of the can momentarily with your finger. The can is then ____. -
Answer-Positively charged
/.An electroscope is charged positively, as shown by foil leaved that stand apart. As a
negative charge is brought close to the electroscope, the leaves ____. - Answer-Move
closer together
/.Lightening bolts occur between ____. - Answer-Both clouds and clouds and the
ground
, /.Electrical polarization occurs when _____. - Answer-Charge distribution in a neutral
molecule separates.
/.The reason a charged balloon will stick to a wall is that ____. - Answer-Induced
opposite charges in the wall are closer than other wall charges.
/.Two charged particles held close to each other are released. As they move, the force
on each particle increases. Therefore, the particles have _____. - Answer-Opposite
signs
/.Two charged particles held near each other are released. As they move, the
acceleration of each decreases. Therefore, the particles have ____. - Answer-The same
sign
/.The SI unit of charge is the _____. - Answer-Coulomb
/.Two charges separated a distance of 1 meter exert a 1-N force on each other. If the
charges are pulled to a 2-m separation distance, the force on each charge will be ____.
- Answer-0.25 N
/.Two charges separated a distance of 1 meter exert 1-N force on each other. If the
charges are pushed to a separation of 1/4 meter, the force on each charge will be ____.
- Answer-16 N
/.If you walk into a region of space and suddenly feel a force, the space is said to
contain a _____. - Answer-Force field
/.An electric field has _____. - Answer-Magnitude and direction
/.The direction of electric field lines show the ____. - Answer-Direction of the force on a
test positive charge
/.Suppose a hollow metal sphere has a large negative charge on it. The electric field
strength inside the sphere is _____. - Answer-Zero
/.Suppose you touch a negatively charged object to a metal sphere so that electrons
move from the charged object onto the sphere. after far separation of the charged
object, electrons on the sphere will be _____. - Answer-Distributed evenly over the
sphere's surface
/.A small, positively charged object near a positively charged sphere is moved closer to
the sphere. The electric potential energy of the small object _____. - Answer-Increases
