"one of two kinds of particles, positive or negative, that are in objects", "electrical charge" "a build up of electrical charges on an object", "static electricity" "a sudden movement of electrical charges from one object to another", "discharge" "a material that lets electric charges flow through it easily", "conductor" "a material that does not let electric charges flow through it easily", "insulator" "a flow of elrctrical charges through a material such as a wire", "electric current" "the path of an electric current", "circuit" "a measure of how strong a battery or any power source is", "voltage" "a circuit in which the electrical charges flow through a single path", "series circuit" "a circuit in which the electrical charges flow through more than one path", "parallel circuit" "an electrical tool that increases or decreases the voltage in an electric current", "transformer" "an electrical tool that switches off an electric current that gets too high", "circuit breaker" "an electrical tool that melts to open a circuit if the electric current gets too high", "fuse"
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