What Is Electricity Really?
Publisher Summary
The chapter attempts to explain electricity, its origins, and applications. It begins by explaining about a very small particle that is referred to as an atom. Atoms are made up of three types of particles: protons, neutrons, and electrons. The individual protons and neutrons are much more massive than electron. Only two of these particles have charge. The proton carries a positive charge and the electron carries a negative charge, whereas the neutron carries no charge at all. A very fundamental property of charge is that as charges repel and opposite charges attract. If one brings a free electron next to another free electron, it tends to push the other electron away from it. It is important ...
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