Podcast
Questions and Answers
What do electric field lines represent?
What do electric field lines represent?
- Magnitude of the electric field (correct)
- Speed of the charges
- Distance between charges
- Charge of the conductor
What happens to electric field lines around an isolated charge?
What happens to electric field lines around an isolated charge?
- They curve around the charge
- They extend to infinity (correct)
- They disappear close to the charge
- They terminate on a positive charge
How are the field lines distributed between two oppositely charged capacitor plates?
How are the field lines distributed between two oppositely charged capacitor plates?
- Absent near the plates
- Evenly spaced (correct)
- Closer on one side
- Concentrated near the center
What do oppositely charged parallel plates produce between them?
What do oppositely charged parallel plates produce between them?
What does a charged cylinder do to the electric field inside it?
What does a charged cylinder do to the electric field inside it?
What is indicated by the length of vectors in a vector representation of an electric field?
What is indicated by the length of vectors in a vector representation of an electric field?
What is the name of the energy a charge has due to its location in an electric field?
What is the name of the energy a charge has due to its location in an electric field?
Which term describes the total electrical potential energy divided by the amount of charge?
Which term describes the total electrical potential energy divided by the amount of charge?
What is the work done in pushing a charge against an electric field equal to?
What is the work done in pushing a charge against an electric field equal to?
How does the electrical potential vary with the amount of charge at the same location in an electric field?
How does the electrical potential vary with the amount of charge at the same location in an electric field?
When a balloon is rubbed on hair and becomes negatively charged, what happens to its energy?
When a balloon is rubbed on hair and becomes negatively charged, what happens to its energy?
What remains the same for charges of different magnitudes at the same location in an electric field?
What remains the same for charges of different magnitudes at the same location in an electric field?
How is the magnitude of an electric field measured?
How is the magnitude of an electric field measured?
What does the direction of an electric field indicate?
What does the direction of an electric field indicate?
How can an electric field be represented visually?
How can an electric field be represented visually?
When are electric field lines closer together?
When are electric field lines closer together?
What does the length of vectors representing an electric field indicate?
What does the length of vectors representing an electric field indicate?
Where do vectors point in relation to a negatively charged particle?
Where do vectors point in relation to a negatively charged particle?
What is the relationship between electric potential and electrical potential energy?
What is the relationship between electric potential and electrical potential energy?
Can a capacitor store both energy and charge?
Can a capacitor store both energy and charge?
What is the SI unit of measurement for electric potential?
What is the SI unit of measurement for electric potential?
How is the electric field inside the conducting sphere of a Van de Graaff generator affected as it charges?
How is the electric field inside the conducting sphere of a Van de Graaff generator affected as it charges?
What primarily determines the potential energy of a charged particle in an electric field?
What primarily determines the potential energy of a charged particle in an electric field?
How is potential energy measured?
How is potential energy measured?
Under what conditions would a charged particle have its kinetic energies exceeding its potential energies?
Under what conditions would a charged particle have its kinetic energies exceeding its potential energies?
What does a potential of 1 volt represent?
What does a potential of 1 volt represent?
If there were twice as much charge on one of the objects, what would happen to the electrical potential energy?
If there were twice as much charge on one of the objects, what would happen to the electrical potential energy?
What is commonly called voltage?
What is commonly called voltage?
What happens to the electric potential if twice as much charge is added to an object?
What happens to the electric potential if twice as much charge is added to an object?
