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2 questions with no upvoted or accepted answers
1 vote
2 answers
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On a nanoscopic level, what really happens to the electrons in the secondary coil of a step-up transformer?

I know that when AC is passed through the primary coil of a step-up transformer a higher emf is induced in the secondary coil (with more turns) of the transformer. Since energy is conserved, and P = ...
Sasikuttan's user avatar
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2 answers
77 views

How is it possible to even develop any current in an inductor?

Potential difference across an inductor (ie p.d. between current exit point and current entry point) is given as $$V= -L\frac{di}{dt} -iR,$$ where $L$ is the inductance of inductor and $R$ is its ...
Prajwal Samal's user avatar