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In transformers, which of the following statements is valid? | |
A. | In an open-circuit test, copper losses are obtained while in short-circuit test, core losses are obtained. [Wrong Answer] |
B. | In an open-circuit test, current is drawn at high power factor. [Wrong Answer] |
C. | In a short-circuit, current is drawn a] zero power factor. [Wrong Answer] |
D. | In an open-circuit test, current is drawn at low power factor. [Correct Answer] |