In transformers, which ofthe following statements is valid? 

A) In an open circuit test, copper losses are obtained while in short circuit test, core losses are obtained B) In an open circuit test, current is drawn at high power factor C) In a short circuit test, current is drawn at zero power factor D) In an open circuit test, current is drawn at low power factor
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In transformers, which ofthe following statements is valid? 

A) In an open circuit test, copper losses are obtained while in short circuit test, core losses are obtained B) In an open circuit test, current is drawn at high power factor C) In a short circuit test, current is drawn at zero power factor D) In an open circuit test, current is drawn at low power factor

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