R. Fehr

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Sept. 1, 2003
Powering industry since replacing the steam engine From tiny hysteresis motors that drive electric clocks to huge synchronous motors that develop more than 50,000 hp, the alternating...
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Aug. 1, 2003
By raising and lowering voltage levels, transformers make power systems versatile.
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June 1, 2003
Components in parallel share current, but not necessarily equally.