എങ്ങനെ ഒരു DC മോട്ടോർ വൈദ്യുതി നിർമ്മിക്കുന്നു?|how dc motors work?|what is back emf?|in malayalam|

Hi friends,
In this video we have explained how a dc motor produces electricity while its shaft is rotating. The video is in malayalam language. I hope everyone enjoyed the video and was informative...if yes please support my channel by subscribing. love you all...
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Ac motor back emf undak8lle?