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Gauss’ Law and Electric Fields

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Questions and Answers

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?

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?

$\Delta s \sum_{i=0} E_i \Delta s_i$

$k \times q \sum_{i=0} E_i \Delta s_i r^2$ (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?

Normal to the surface and points outward Signup and view all the answers

What is the formula for electric flux according to Gauss' law?

$\phi_E = k \times q \sum_{i=0} E_i \cdot \Delta s_i$ Signup and view all the answers

Which statement about electric field lines is true?

Field lines indicate the direction of electric field at any point Signup and view all the answers

What does Gauss' law relate to in the context of electric fields?

The divergence of an electric field Signup and view all the answers

For a conducting shell, where is the charge distributed?

Uniformly on the outer surface Signup and view all the answers

What is the magnitude of the electric field at every point on a conducting shell?

$0$ Signup and view all the answers

According to Gauss' law, how does the total flux through a closed surface relate to the charge enclosed within that surface?

The total flux is directly proportional to the charge enclosed. Signup and view all the answers