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CBSE Class 12-science Answered

Name the phenomenon associated with the production of back emf in a coil due to change of electric current through the coil itself. Name and define the SI unit used for measuring this characteristic of the coil .
Asked by Topperlearning User | 07 Jul, 2015, 02:11: PM
answered-by-expert Expert Answer

Back emf in a coil during change of electric current through coil is due to self-induction.
S.I. unit of self-induction is Henry. Self inductance of a coil is said to be one Henry if rate of change of current of 1 ampere per second induces an emf of 1 volt in it.

Answered by | 07 Jul, 2015, 04:11: PM
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