A person plugs a power cord into an electrical outlet in the wall. The power cord is covered in black rubber. Which statement is an accurate description of the materials?
A. Electrons would not move through the wire if there was no rubber around the wire.
B. Electrons easily move through the rubber around the wire.
C. Electrons would easily move through the person if there was no rubber around the wire.
D. Electrons move through the air when the cord is a few inches from the outlet.
C. They can both be used in an electric circuit.
Which statement describes a similarity between conductors and insulators?
A. They both involve high resistance to electrical charge.
B. They both allow for the free flow of electrons between atoms.
C. They can both be used in an electric circuit.
D. They can both be made without matter.