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Question
the induced emf is sometimes called back emf why?
the induced emf is sometimes called back emf why?
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Solution
Hi Varsha!
When the flux linked with a coil changes, an emf is induced in the coil. If the reason for change in flux linkage is due to the variation in current flowing through the very coil, then the induced emf opposes the cause which produces it. So, it is known as back emf.
Cheers!!
Hi Varsha!
When the flux linked with a coil changes, an emf is induced in the coil. If the reason for change in flux linkage is due to the variation in current flowing through the very coil, then the induced emf opposes the cause which produces it. So, it is known as back emf.
Cheers!!Suggest Corrections
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