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A series RC circuit has R=60, and XC=80, . What is its power factor?

  1. 0.8 leading
  2. 0.6 lagging
  3. 0.6 leading
  4. 0.75 leading

Answer

C. 0.6 leading

Solution

|Z|=sqrt(602+802)=100, . PF=R/|Z|=60/100=0.6. A capacitive circuit has a leading power factor.

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