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Network TheoryThree-Phase Circuits

A balanced three-phase star load has line current 12 A. The phase current is?

  • A4 A
  • B6.93 A
  • C12 A
  • D20.78 A
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Correct Answer: C. 12 A
Explanation: In a star connection, line current equals phase current, so Iph=IL=12 A.
Reference: Standard network theory: star line and phase current
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