|Circuit ____ can be connected in series or in parallel.
|Glass, rubber, wood, porcelain, and plastic are electric ____.
|Plasmas conduct electric current using ____ and electrons.
|All charge changes result from the movement of ____.
|Capacitance is measure in ____.
|Stuff made from iron or steel (an iron alloy) are attracted to ____.
|Electric current is measured in ____.
|Stars, solar wind, lightning, and neon signs are ____.