Podcast
Questions and Answers
What is the net flux through a closed surface surrounding a point charge?
What is the net flux through a closed surface surrounding a point charge?
- ε0^2/q
- q^2/ε0
- q/ε0 (correct)
- ε0/q
What is the unit of permittivity of free space (ε0)?
What is the unit of permittivity of free space (ε0)?
- Henry per meter
- Farads per meter (correct)
- Coulombs per meter
- Joules per Coulomb
What happens to the net flux if the permittivity of free space is doubled?
What happens to the net flux if the permittivity of free space is doubled?
- The net flux becomes zero
- The net flux remains the same
- The net flux is doubled
- The net flux is halved (correct)
What is the relation between the net flux and the charge q?
What is the relation between the net flux and the charge q?
What can be said about the net flux through any closed surface surrounding multiple point charges?
What can be said about the net flux through any closed surface surrounding multiple point charges?
What is the direction of the normal at every point on the curved part of the surface of the cylinder?
What is the direction of the normal at every point on the curved part of the surface of the cylinder?
What is the shape of the surface of the cylinder?
What is the shape of the surface of the cylinder?
What can be said about the magnitude of E?
What can be said about the magnitude of E?
What is true about the direction of E?
What is true about the direction of E?
At how many points on the curved part of the surface is E parallel to the surface?
At how many points on the curved part of the surface is E parallel to the surface?
What happens when you add many electric charges together?
What happens when you add many electric charges together?
What is true about the electric field of many charges?
What is true about the electric field of many charges?
What is the relationship between the electric fields of individual charges and the total electric field?
What is the relationship between the electric fields of individual charges and the total electric field?
How do you find the electric field of multiple charges?
How do you find the electric field of multiple charges?
What is the result of adding multiple electric charges?
What is the result of adding multiple electric charges?
What is the charge density in this case?
What is the charge density in this case?
What is the direction of the electric field?
What is the direction of the electric field?
What is the shape of the Gaussian surface used to calculate the electric field?
What is the shape of the Gaussian surface used to calculate the electric field?
What is the reason for choosing a Gaussian surface with height 2r?
What is the reason for choosing a Gaussian surface with height 2r?
What law is used to calculate the electric field?
What law is used to calculate the electric field?
What is the electric field E at a point near an infinite non-conducting sheet with charge density σ?
What is the electric field E at a point near an infinite non-conducting sheet with charge density σ?
What is the net flux Φ through a closed surface enclosing a charge q?
What is the net flux Φ through a closed surface enclosing a charge q?
What is the dependence of Gauss' Law on the enclosed charge?
What is the dependence of Gauss' Law on the enclosed charge?
What can be said about the electric field E near a point charge?
What can be said about the electric field E near a point charge?
What is the relationship between the electric field E and the charge density σ of an infinite non-conducting sheet?
What is the relationship between the electric field E and the charge density σ of an infinite non-conducting sheet?
