Electric Potential Inside a Metal Object

[Loppyfoot]

Homework Statement

Which of the following statements about the electric potential inside a metal object are correct? Check all that apply.

The potential at any point inside a metal at equilibrium is equal to the potential at the surface, which may be nonzero.

The potential is the same at every point inside a metal at equilibrium, but it is not necessarily zero.

There may be charges on the surface of the metal or outside the metal which contribute to a nonzero potential inside the metal.

The potential at any location inside a metal at equilibrium is zero, because the electric field is zero inside the metal.

The potential difference between any two locations inside a metal at equilibrium is zero, because the electric field inside the metal is zero.

 

[hy23]

this is so confusing, isn't 1 and 2 saying the same thing, and 3 and 4 also saying the same thing