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Alternating Current — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsAlternating Current1 Mark
Question
When a transformer is known as an ideal transformer?
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Answer

In an ideal transformer, there is no loss in energy on transferring the energy from primary coil to secondary coil and then the value of power is same in both the coils. Efficiency of such transformer should be $100 \%$.

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