CBSE Class 12-science Answered
What is the significance of negative sign in the expression of emf 
where the symbols have their usual meaning.
where the symbols have their usual meaning.
Asked by Topperlearning User | 06 Jul, 2015, 04:46: PM
Expert Answer
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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