Which one of the following pair given below is correct about electric devices?
A
Transformer 
Electromagnetic Induction
Electromagnetic Induction B
Electric generator 
Mutual induction
Mutual induction C
Eddy current loss 
D
Efficiency of 
transformer
transformer
Text Solution
Verified by ExpertsThe correct answer is:
D
As we know that,
Transformer works on the principle of mutual induction.
Electric generator work on the principle of electromagnetic induction.
I 2 R is resistance of winding loss
Efficiency 
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