How does the polarity change in the AC genarator
Asked by | 3rd Sep, 2012, 06:36: PM
it can be understood using the right hand law of wlwctromagnetic induction.
When the coil moves a quarter rotation in the magnetic field, the relative polarity across the coil reverses and this causes the emf to induce in the opposite direction.
Answered by | 3rd Sep, 2012, 10:51: PM
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