In a transformer, the open-circuit test is conducted on which side while keeping the other side open?
ALow-Voltage (LV) side
BTertiary winding side
CHigh-Voltage (HV) side
DBoth LV and HV sides simultaneously
Explanation
The OC test is conveniently conducted on the Low-Voltage (LV) side with rated voltage applied, while the HV side is left open.

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