Electric Fields in Conductors

What is the electric field inside a metal conductor that is in electrostatic equilibrium?

• It is always very strong.

• It is zero at all points.

• It varies depending on the charge distribution.

• It is directed towards the center of the conductor.

Where does excess charge reside on a metal conductor in electrostatic equilibrium?

• Evenly distributed throughout its volume.

• Concentrated at its center.

• On its surfaces.

• Only at its sharpest points.

What is true about the electric potential at all points on and inside a metal conductor in electrostatic equilibrium?

• It varies significantly from point to point.

• It is highest at the center and lowest at the surface.

• It is the same at all points.

• It is always zero.

Where is the electric field strength greatest on a metal conductor in electrostatic equilibrium?

• At areas with less curvature.

• Uniformly distributed across the entire surface.

• Just inside the conductor.

• Just outside the sharper points on the metal.

Where does excess charge reside in a solid metal?

• Throughout the volume of the metal.

• Only at the center of the metal.

• On the surface of the metal.

• It is uniformly distributed.

What is the electric field at any point inside a solid metal conductor?

• It is always positive.

• It is always negative.

• It is zero.

• It varies depending on the charge.

When applying Gauss's Law to find the electric field just outside a charged conductor, which part of the cylindrical Gaussian surface contributes to the electric flux?

• Only the bottom circular face inside the metal.

• Only the curved side surface.

• Only the top circular face outside the metal.

• Both the top and bottom circular faces.

What is the formula for the electric field (E) just outside the surface of a conductor, given the local surface charge density (σ_local) and the permittivity of free space (ε_0)?

• E = σ_local * ε_0

• E = ε_0 / σ_local

• E = σ_local / ε_0

• E = 2 * σ_local / ε_0