Electricity, Magnetism, Fields, and Waves
Most electrical phenomena arise from the motion of the atomic electrons. Bulk matter is composed of two kinds of electrical matter, negatively charged and positively charged. The charge of the electron is negative. The nucleus of an atom contains an equal amount of positively charged protons. Actually, which one we call negative and which one positive is arbitrary, entirely a matter of convention.
KeywordsSugar Microwave Recombination Rubber Radar
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