RC Circuits

A capacitor with 150 Ω of capacitive reactance is across an ac source. The impedance, expressed in polar form, is_____.

  • A. Z = 150
  • B. Z = 150 ∠90°O
  • C. Z = 150 ∠-90°O
  • D. Z = 150 ∠180°O
Answer: Option C.
Explanation: 

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