This is a photo of Tesla generators. These large AC generators could power cities that were miles away.
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One of Tesla’s most famous and world changing inventions was alternating current. Alternating current is a power generator that provides long distance power to entire cities. The generator used a rotating magnetic field to produce electric energy. Then, the energy was transmitted to the towns. The path of the electricity was curved in certain places so the energy wouldn’t lose power like Edison’s direct current did.
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