डीसी जनरेटर का EMF कैसे ज्ञात किया जाता है by बलवन्त सर

What is the emf equation of DC generator?
What is equation of back EMF of dc motor?
What is Z in emf? by balwant sir
How does a generator generate emf?
How do you calculate the emf of a generator?
How do I calculate emf? by balvant sir

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What is Emf