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WorksheetsElectrostatics Review
Total questions: 30
Worksheet time: 49mins
Which two particles are attracted to each other?
Two neutrons
A proton and an electron
Two protons
An electron and a neutron
A repulsive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two protons
As two oppositely charged particles approach each other, what happens to the electrical force between them?
The attractive force increases
The magnitude of the electric force decreases
The repulsive force increases
The magnitude of their charges increases
What happens to the electric force between two charges when the distance is tripled?
3 times less electric force
3 time more electric force
9 times less electric force
9 times more electric force
The figure shows a neutral glass rod and a positively charged metal sphere.
Which of the following best describes the movement of charges as this glass rod touches the sphere?
Protons move from the sphere to the glass rod.
Electrons move from the sphere to the glass rod.
Electrons move from the glass rod to the sphere.
Protons move from the glass rod to the sphere.
What is the SI unit for charge?
Joules
Coulombs
Newtons
Meters
A balloon is rubbed on a student's head. What occurs because of this?
Charged particles on the balloon are destroyed
Positively charged particles move from head to balloon
Charged particles from the balloon are released into the air
Negatively charged particles move from head to balloon
Coulomb's law says that the force between any two charges depends
directly on the size of the charges
inversely on the square of the distance between the charges
both are correct
Which is the value of the constant in Coulomb's equation?
k = 9·10-9
k = 9.8
k = 6.67·10-11
k = 9 ·109
A point charge of +3.0 X 10-7 coulomb is placed 2.0 X 10-2 meter from a second point charge of +4.0 X 10-7 coulomb. What is the magnitude of the electrostatic force on the charges?
6.0 X 10-12 N
3.0 X 10-10 N
5.4 X 10-2 N
2.7 N
A repulsive force exists between which two particles?
Two neutrons
An electron and a neutron
An electron and a proton
Two electrons
A 5 C and 8 C are 8 m apart. What is the force between them?
5.625 x 109
5.625 x 10-9
4.5 x 1010
4.5 x 10-10
A 5 C and 8 C charge give off a force of 2.5 x 109 N. What is the distance between them?
11 m
12 m
121 m
144 m
Which of the following materials conducts electricity the best?
plastic
rubber
metal
glass
Which situation builds up static charge on an object?
When there are more neutrons than electrons
When all neutrons have been removed from the object
When there are more protons than neutrons
When there are more electrons than protons
Why does a PVC pipe have a negative charge after being rubbed with a cloth?
The PVC pipe gains electrons from the cloth
The PVC pipe loses electrons to the cloth
The cloth gains protons from the PVC pipe
The PVC pipe gains protons from the cloth
How does a neutral object become positively charged?
remove protons
remove electrons
add electrons
add protons
