Change: wiki. PEOPLE: Gilbert, Galvani, Volta, Davy, Henry, Faraday, Brush DEVICES: Leyden Jar, Voltaic Pile, dynamo, transformer, electric motor (AC & DC), arc ligh, incandescent bulb, diode, transistor CONCEPTS AND
TERSM:TERMS: induction, electro-magnetism, Ohm's Law, parallel circuits, alternating current, direct current, polyphase AC, Kirchoff's Laws, current, resistence, voltage, power
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