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Physics 21 Online
OpenStudy (anonymous):

Which one provides the best source of smooth dc voltage? A.retified single-phase power B. Single phase ac connected to a transformer C. Rectified three-phase power D.three-phase ac connected to a transformer

OpenStudy (foolaroundmath):

Rectified three-phase power gives the best source of smooth DC voltage.|dw:1376032448325:dw|

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