CBSE Class 12-science Answered
What is the significance of negative sign in the expression of emf
where the symbols have their usual meaning.

Asked by Topperlearning User | 06 Jul, 2015, 04:46: PM
The negative sign signifies that the induced emf always opposes any change in the magnetic flux.
Answered by | 06 Jul, 2015, 06:46: PM
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