Podcast
Questions and Answers
What does the flux of a vector field measure?
What does the flux of a vector field measure?
- The flow or penetration of the field vectors through a surface (correct)
- The magnitude of the field vectors
- The direction of the field vectors
- The density of the field vectors
For a uniform electric field normal to a surface of area A, what is the flux?
For a uniform electric field normal to a surface of area A, what is the flux?
- $0$
- $rac{1}{A}$
- $A$ (correct)
- $A^2$
How is the electric field at any point on a sphere with charge at its center directed?
How is the electric field at any point on a sphere with charge at its center directed?
- Perpendicular to the sphere's surface
- Radially outwards (correct)
- Radially inwards
- In the tangential direction
What happens to the total electric flux leaving a closed surface when the charge enclosed by the surface increases?
What happens to the total electric flux leaving a closed surface when the charge enclosed by the surface increases?
How is the total electric flux leaving a closed surface related to the charge enclosed by that surface?
How is the total electric flux leaving a closed surface related to the charge enclosed by that surface?
In terms of mathematics, how can Gauss's Law be expressed?
In terms of mathematics, how can Gauss's Law be expressed?
What law does the passage explain is equivalent to Coulomb's Law?
What law does the passage explain is equivalent to Coulomb's Law?
When applying Gauss's Law to a sphere containing charge, what does it denote by 'q enclosed ε'?
When applying Gauss's Law to a sphere containing charge, what does it denote by 'q enclosed ε'?
What does Gauss's Law state when applied to a hollow sphere with charges only on the surface?
What does Gauss's Law state when applied to a hollow sphere with charges only on the surface?
What is the total charge enclosed at any distance outside a hollow sphere with surface charges?
What is the total charge enclosed at any distance outside a hollow sphere with surface charges?
What is the suggested method to prove Gauss's Law according to the passage?
What is the suggested method to prove Gauss's Law according to the passage?
According to the passage, what happens to the electric field inside a hollow sphere with surface charges?
According to the passage, what happens to the electric field inside a hollow sphere with surface charges?