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Network TheoryAC Power

For a sinusoidal steady-state circuit, complex power S is conventionally written as?

  • AP-jQ
  • BP+jQ
  • CQ+jP
  • DP/Q
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Correct Answer: B. P+jQ
Explanation: Complex power is S=P+jQ, where P is average real power and Q is reactive power.
Reference: Standard network theory: complex power
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