Physics, 23.12.2019 17:31, ttkkbffl

Which best describes the materials that make up an electrical cord?

1. a metallic conductor lacking free electrons surrounded by a rubber insulator with free electrons
2. a metallic conductor with free electrons surrounded by a rubber insulator lacking free electrons
3. a metallic insulator with free electrons surrounded by a rubber conductor lacking free electrons
4. a metallic insulator lacking free electrons surrounded by a rubber conductor with free electrons

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Which best describes the materials that make up an electrical cord?

1. a metallic condu...