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	ac motors
	1-AC MOTORS How an AC motor works: A current is passed through the coil, generating a torque on the coil. ... The variation of the three waves of current in the armature causes a varying magnetic reaction with the poles of the field magnets, and makes the field rotate at a constant speed that is determined by the frequency of the current in the AC power line. Synchronous motors can be made to operate from a single-phase power source by the inclusion of suitable circuit elements that cause a rotating magnetic field. ... The universal motor is also known as an AC series motor or an AC commutator motor. Approximate Word count = 1222 Approximate Pages = 4.9 (250 words per page double spaced)

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