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In a Transformer,,,\nWhy is the back emf in the primary coil equal to the voltage supplied to the Primary coil

Dhiraj Bhakta , 10 Years ago
Grade 11
anser 1 Answers
Sher Mohammad

Last Activity: 10 Years ago

If you apply kirchfoff's voltage law to the primary coil of the transformer, you get the back emf equal to supplied voltage. Actually it is not equal, it is a little less than supplied voltage because of resistance of the coil. But in ideal situation we assume resistance to be equal to zero.


Sher Mohammad
B. tech, IIT Delhi
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