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  • Question

  • Power that is measured in volt-amperes is called


  • Options
  • A. impedance power
  • B. reactive power
  • C. true power
  • D. apparent power

  • Correct Answer
  • apparent power 

    • RC Circuits problems

    Search Results

    • 1. 

      If the frequency increases in the given circuit, how would the total current change?


    • Options
    • A. The total current would increase.
    • B. The total current would decrease.
    • C. The total current would remain the same.
    • D. More information is needed in order to predict how the total current would change.
      • Discuss
    • 2. 

      Calculate the magnitude of the impedance in the given circuit.


    • Options
    • A. 24.1 MΩ
    • B. 10 MΩ
    • C. 26.1 MΩ
    • D. 0 Ω
      • Discuss
    • 3. In a 20 Vac series RC circuit, if 20 V is read across the resistor and 40 V is measured across the capacitor, the applied voltage is

    • Options
    • A. 45 Vac
    • B. 50 Vac
    • C. 60 Vac
    • D. 65 Vac
      • Discuss
    • 4. 

      What is the phase angle in the given circuit?


    • Options
    • A. 14.95°
    • B. 36.88°
    • C. 0°
    • D. 90°
      • Discuss
    • 5. 

      Which circuit is represented by the frequency response curve in the given figure?


    • Options
    • A. High-pass filter
    • B. Low-pass filter
    • C. Band-pass filter
    • D. Band-stop filter


      • Discuss
    • 6. 

      What is the current through XC1 in the given circuit?


    • Options
    • A. 32.2 mA
    • B. 16 mA
    • C. 12 mA
    • D. 48 mA
      • Discuss
    • 7. Which statement about a series RC circuit is true?

    • Options
    • A. The capacitor's voltage drop is in phase with the resistor's voltage drop.
    • B. The current leads the source voltage.
    • C. The current lags the source voltage.
    • D. The resistor voltage lags the current.
      • Discuss
    • 8. 

      What is the current through the load in the given circuit?


    • Options
    • A. 500 µA
    • B. 10 mA
    • C. 250 mA
    • D. 1.25 A
      • Discuss
    • 9. A transformer has

    • Options
    • A. primary and secondary windings, both of which are considered inputs
    • B. primary and secondary windings, both of which are considered outputs
    • C. a primary winding used as an output and a secondary winding used as an input
    • D. a primary winding used as an input and a secondary winding used as an output
      • Discuss
    • 10. Increasing the number of turns of wire on the secondary of a transformer will

    • Options
    • A. increase the secondary current
    • B. decrease the secondary current
    • C. have no effect on the secondary current
    • D. increase the primary current
      • Discuss

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