What is the operating principle of a machine alternator?
| October 23, 2020 | Education
When the wire frame rotates in a magnetic field, the induction electric current in the frame changes direction as many times per second as the frame rotates per second. The polarity of the voltage between the ends of the frame changes with the same frequency. If the ends of the frame are connected to the rings, then an alternating voltage is applied to the brushes.
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