conductive, Able to let electricity pass through., conductor, A material through which an electric current can flow., copper, A metal that is used inside electrical wires because it is conductive., core, The middle of a wire, usually made from copper., electrical conductivity, The ability of a material to allow an electric current to pass through it., electric current, The flow of electric charge through a circuit., insulator, A material that does not allow an electric current to pass through., material, The substance that things are made from, such as metal, plastic or wood., non-conductive, Unable to let electricity pass through.

Conductivity

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