Podcast
Questions and Answers
In the electric field surrounding a group of charged particles, field strength is greater where field lines are:
In the electric field surrounding a group of charged particles, field strength is greater where field lines are:
- Thickest (correct)
- Farthest apart
- Closest
- Longest
How can the voltage of a Van de Graaff generator be increased?
How can the voltage of a Van de Graaff generator be increased?
- By increasing the radius of the sphere or using high pressure gas (correct)
- Decreasing the radius of the sphere
- Submerging the generator in water
- Using low-pressure gas
Electrons on the surface of a conductor will arrange themselves to:
Electrons on the surface of a conductor will arrange themselves to:
- Follow the inverse-square law
- Tend toward a state of minimum energy
- Cancel the electric field inside to zero (correct)
- Be shielded from external charges
What does the potential energy of a compressed spring and the potential energy of a charged object depend on?
What does the potential energy of a compressed spring and the potential energy of a charged object depend on?
An electric field has:
An electric field has:
Where is the field strength greater in the electric field surrounding charged particles?
Where is the field strength greater in the electric field surrounding charged particles?
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 charge?
Can a capacitor store charge?
What happens to the electric field inside a conductor as it charges?
What happens to the electric field inside a conductor as it charges?
In a Van de Graaff generator, what happens to the electric field inside the conducting sphere as it charges?
In a Van de Graaff generator, what happens to the electric field inside the conducting sphere as it charges?
How is the electric potential related to the kinetic and potential energies of charged particles?
How is the electric potential related to the kinetic and potential energies of charged particles?
What is the purpose of placing the Van de Graaff generator in a container filled with high-pressure gas?
What is the purpose of placing the Van de Graaff generator in a container filled with high-pressure gas?
What happens to the electrons carried up into the hollow metal sphere of the Van de Graaff generator?
What happens to the electrons carried up into the hollow metal sphere of the Van de Graaff generator?
How does mutual repulsion affect the distribution of electrons in a Van de Graaff generator?
How does mutual repulsion affect the distribution of electrons in a Van de Graaff generator?
What is the function of the rubber belt in a Van de Graaff generator?
What is the function of the rubber belt in a Van de Graaff generator?
How does a Van de Graaff generator demonstrate shielding of electric fields?
How does a Van de Graaff generator demonstrate shielding of electric fields?
What is the purpose of using thin metallic foils separated by a thin sheet of paper in a Van de Graaff generator?
What is the purpose of using thin metallic foils separated by a thin sheet of paper in a Van de Graaff generator?
