Fran: You might be thinking that a conductor stands at the front of an orchestra waving their arms around, and they do. But we're talking about a different kind of conductor. A conductor of ...
University of Cambridge researchers have discovered that a material already known for its peculiar electrical properties appears to behave as both a conductor and an insulator at the same time. This ...
Key learning points Electrical charges What are free electrons? Cell polarity Conventional current direction Electrons orbit the nucleus. An atom has a neutral charge, because it contains the same ...
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