Podcast
Questions and Answers
What is the direction of the electric field for a dipole?
What is the direction of the electric field for a dipole?
- Points radially outward
- Starts from the negative charge and ends at the positive charge
- Points radially inward
- Starts from the positive charge and ends at the negative charge (correct)
In Gauss' law for electric fields, what is the relationship between electric field strength and the number of field lines passing through a unit area?
In Gauss' law for electric fields, what is the relationship between electric field strength and the number of field lines passing through a unit area?
- They are inversely proportional
- They are directly proportional (correct)
- There is no relationship between them
- They are related by a square root function
For a charged solid conducting sphere, what is the expression for the total flux through the spherical surface?
For a charged solid conducting sphere, what is the expression for the total flux through the spherical surface?
- $\Delta s \sum_{i=0} E_i \Delta s_i$
- $k \times q \sum_{i=0} E_i \Delta s_i r^2$ (correct)
- $4 \pi r^2$
- $k \times q \sum \Delta s$
What is the direction of the electric field at every point on the surface of a sphere with a charge located at its center?
What is the direction of the electric field at every point on the surface of a sphere with a charge located at its center?
What is the formula for electric flux according to Gauss' law?
What is the formula for electric flux according to Gauss' law?
Which statement about electric field lines is true?
Which statement about electric field lines is true?
What does Gauss' law relate to in the context of electric fields?
What does Gauss' law relate to in the context of electric fields?
For a conducting shell, where is the charge distributed?
For a conducting shell, where is the charge distributed?
What is the magnitude of the electric field at every point on a conducting shell?
What is the magnitude of the electric field at every point on a conducting shell?
According to Gauss' law, how does the total flux through a closed surface relate to the charge enclosed within that surface?
According to Gauss' law, how does the total flux through a closed surface relate to the charge enclosed within that surface?
