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When the power factor of a circuit is zeroa

A. Power absorbed is maximum

B. Power absorbed is minimum

C. Power absorbed is zero

D. The impedance is minimum

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  1. If one resistance in a series connection is opena then
  2. What is the complex impedance of a circuit with an absolute resistance of 300 ?
  3. If voltage across the plates of 2 F capacitor is increased by 4 Va then charge on the plates will
  4. A real current source has
  5. Which of the following is not considered a physical factor affecting resistance?
  6. When current and voltage arte in phase in an ac circuita the ___ is equal to zero.
  7. Which of the following does not affect resistance?
  8. A 0.09 microfarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor…
  9. Which of the following is the most popular waveform?
  10. As applied to a series RLCcircuita bandwidth means
  11. The unit of elastance is
  12. What is the peak factor for alternating current or voltage varying sinusiodally?
  13. In an ac circuit with a resistive branch and an inductive branch in parallela the
  14. For a linear circuita ___ voltage or current is used to calculate average power.
  15. The ohmic value of a resistor with negative temperature coefficient
  16. The current is ____ times the maximum current at half-power points of a resonance curve.
  17. The curve between current and frequency is termed as
  18. What is expected when two 20 k a 1 watt resistor in parallel are use instead of one 10 k a 1 watt?
  19. Which of the following capacitors is suitable for dc filter circuits?
  20. In a multiple capacitora the plate area is
  21. If a capacitor is rated for 200V dca what is its effective ac working voltage?
  22. For multi-plate capacitora capacitance is proportional to
  23. A trigger circuit consisting of a capacitor of 0.01 F is connected in series with a resistor. If the…
  24. Which of the following is a preferred resistor value?
  25. What value of R is needed with a 0.05 F Cfor an RCtime constant of 0.02 s?
  26. Which of the following is not a factor affecting dielectric strength?
  27. The factor 0.707for converting peak to rms applies only to
  28. For a triangular and sawtooth waveform the rms voltage or current equals
  29. Which of the statements below is not true?
  30. A capacitive load always has a ______ power facto