SC Public Utilities Electrical Practice Questions - South Carolina Public Utilities - Electrical Contractor Examination Exam

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A 50 kVA single-phase transformer with a 240 V secondary has 2.0 percent impedance. What is the approximate secondary bolted-fault current?

208 A 1,040 A 5,200 A 10,400 A

Correct Answer:

10,400 A

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