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Answer Posted / manish_2march@gmail.com
the main difference that exist is in their construction.
1.d.c motor has commutator while ac don't.
2.Direct current or DC electric motors work for situations
where speed needs to be controlled
3.They can have brushes
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Show Details FROM:Muhammed Ikram TO:qa@allinterview.com Message flagged Saturday, June 4, 2011 10:07 PMMessage bodyHello all, i want to ask a question to all of you that what is VMM (voltage monitoring module )? how it work,s? i heard somewhere that it compare 1 phase voltage to other phase voltage. but there is also some setting on it. how to set it,s setting. please tell me briefly. Thank,s and Regard,s. Muhammed Ikram.
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