RC Circuits

A 12 kΩ resistor is in series with a 0.02 µF capacitor across a 1.2 kHz ac source. If the current is expressed in polar form as I = 0.3 ∠0° mA, what is the source voltage expressed in polar form?

  • A. 45.6 V
  • B. 411.3 V
  • C. 0.411 V
  • D. 4.11 V
Answer: Option D.
Explanation: 

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