In a conductor, are some charges free to move through the material?

In electrostatic equilibrium, what is \(\vec E\) inside conducting material?

A neutral insulating rod is polarized by a nearby charged object. Does polarization require the rod to have nonzero net charge?

A free electron in a metal feels an electric field \(40\,\mathrm{N\,C^{-1}}\) to the right. What is the direction of its electric force?

A conductor carries \(18\,\mathrm{nC}\) of excess charge spread over area \(6.0\times10^{-3}\,\mathrm{m^2}\). Find the average surface charge density.

Why does excess charge placed on an isolated conductor move to its surface after electrostatic equilibrium is reached?

A hollow metal shell is placed in a static external electric field. Explain why the field inside the metal of the shell is zero, but do not assume the field everywhere inside the hollow cavity is automatically zero without checking the setup.

Two identical neutral objects are placed near a positive rod. Object A is metal; object B is plastic. Compare the charge response in A and B.

A conductor is claimed to be in electrostatic equilibrium while a nonzero uniform electric field exists throughout its bulk. Use the force on free charge to test the claim and state the exception hidden in the wording.

A neutral conductor and a neutral insulator have the same external shape and are placed in the same nonuniform electric field. Explain why both can be attracted, but why the microscopic charge motion and final charge distribution are different.