|Gravity is to mass as an electric field is to ____.
|One ____ is equal to one coulomb per second.
|All magnets (including the Earth) have a north and a south ____.
|One ____ is equal to one volt per amp.
|An electric ____ is the path taken by an electric current.
|A ____ is a resistor used to protect against excessive current.
|A good ____ doesn't contain free flowing electrons.
|The flow of ions through a liquid is ____.