CPII ELECTRICITY AND CIRCUITS STUDY GUIDE | EXAM 2
CLICKERS | COMPLETE PRACTICE REVIEW
1. What direction does a positive charge move when released in an electric
field?
In a circular path
In the direction of the electric field
Opposite to the direction of the electric field
It does not move
2. Household lightbulbs have 110V across them. Which has larger resistance?
60 watt bulb
same
240 watt bulb
3. What is the value of the electric field inside a metallic conductor in
electrostatic equilibrium?
Positive
0
Constant
Negative
4. You connect a wire across the terminals of a 12 V battery. Which of the
following changes would increase the current in the circuit?
Both B and C
replace the wire with one that is longer
, replace the wire with one that has a larger cross-sectional area
replace the wire one with one that has a larger resistivity
Both A and B
5. If a region of space has equipotential lines that are very close together, what
would you expect to happen to a charged particle moving through that
region?
It would move slowly without acceleration.
It would experience a strong force.
It would not be affected by the electric field.
It would gain potential energy without changing speed.
6. What factor can be adjusted to increase the current in a wire while
maintaining its length?
Increase the resistance
Increase the length
Change the battery voltage
Decrease the resistance
7. What happens to the electric potential of a point charge as the distance from
the charge increases?
It decreases.
It remains constant.
It fluctuates.
It increases.
, 8. What does it indicate when equipotential lines are closely spaced in an
electric field?
The potential difference is zero.
The electric field is strong.
The charges are neutral.
The electric field is weak.
9. If you have a wire with a resistance of 10 ohms and you reduce its resistance
to 5 ohms while connected to a 12-volt battery, what will happen to the
current flowing through the wire?
The current will become zero.
The current will increase.
The current will decrease.
The current will remain the same.
10. Describe how the magnitude of the force between two charged spheres
changes if the distance between them is halved.
The magnitude of the force increases by a factor of four.
The magnitude of the force doubles.
The magnitude of the force remains the same.
The magnitude of the force decreases by a factor of four.
11. Describe the relationship between electric potential and the movement of an
electron when it is released from rest.
An electron remains stationary regardless of electric potential.
An electron moves in the opposite direction of the electric field.
CLICKERS | COMPLETE PRACTICE REVIEW
1. What direction does a positive charge move when released in an electric
field?
In a circular path
In the direction of the electric field
Opposite to the direction of the electric field
It does not move
2. Household lightbulbs have 110V across them. Which has larger resistance?
60 watt bulb
same
240 watt bulb
3. What is the value of the electric field inside a metallic conductor in
electrostatic equilibrium?
Positive
0
Constant
Negative
4. You connect a wire across the terminals of a 12 V battery. Which of the
following changes would increase the current in the circuit?
Both B and C
replace the wire with one that is longer
, replace the wire with one that has a larger cross-sectional area
replace the wire one with one that has a larger resistivity
Both A and B
5. If a region of space has equipotential lines that are very close together, what
would you expect to happen to a charged particle moving through that
region?
It would move slowly without acceleration.
It would experience a strong force.
It would not be affected by the electric field.
It would gain potential energy without changing speed.
6. What factor can be adjusted to increase the current in a wire while
maintaining its length?
Increase the resistance
Increase the length
Change the battery voltage
Decrease the resistance
7. What happens to the electric potential of a point charge as the distance from
the charge increases?
It decreases.
It remains constant.
It fluctuates.
It increases.
, 8. What does it indicate when equipotential lines are closely spaced in an
electric field?
The potential difference is zero.
The electric field is strong.
The charges are neutral.
The electric field is weak.
9. If you have a wire with a resistance of 10 ohms and you reduce its resistance
to 5 ohms while connected to a 12-volt battery, what will happen to the
current flowing through the wire?
The current will become zero.
The current will increase.
The current will decrease.
The current will remain the same.
10. Describe how the magnitude of the force between two charged spheres
changes if the distance between them is halved.
The magnitude of the force increases by a factor of four.
The magnitude of the force doubles.
The magnitude of the force remains the same.
The magnitude of the force decreases by a factor of four.
11. Describe the relationship between electric potential and the movement of an
electron when it is released from rest.
An electron remains stationary regardless of electric potential.
An electron moves in the opposite direction of the electric field.
