In a DC motor the armature is connected to the [ Select ] Magnets Bearings Yoke Power supply via [ Select ] bearings poles Brushes rings .多重下拉选择题

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Which of the following does not increase the speed of a DC motor?

To reverse the output polarity of a DC generator you reverse the field leads or Armature leads   but not both.

A use for a separate excited DC generator would be in a moving coil meter.

A separately excited DC generator would be a:

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