SC Fire Alarm Practice Questions - South Carolina Fire Alarm Contractor Examination Exam

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For the same line-to-line voltage and current, a balanced three-phase circuit delivers how much more power than a single-phase circuit?

The same power 1.414 times the single-phase power 1.732 times the single-phase power 3 times the single-phase power

Correct Answer:

1.732 times the single-phase power

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