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The power factor of a circuit is equal to

A. RZ

B. XC/Z

C. XL/Z

D. R/Z

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  1. Transient period is considered over after
  2. What is considered as the most important value of a sine wave?
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    Nortons theorem is ____ Thevenins theorem.
  4. What is the resonant frequency of a circuit when L of 3 microhenrys and C of 40 picofarads are in series?
  5. The farad is not equivalent to which of the following combination of units
  6. What is the value of a carbon composition resistor with the following color code: Browna whitea orangea…
  7. What theorem is usually used in the analysis of transistor circuit?
  8. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  9. Two complex numbers or phasors are said to be conjugate if they
  10. What is the other name of relative permittivity?
  11. The Q-factor of a parallel resonant circuit is also known as
  12. What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
  13. Which waveform in which the rms value and the mean value are equal?
  14. The symbol Q refers to
  15. A series RLCcircuit has a ______ power factor at its half-power points
  16. The charging of a capacitor through a resistance obeys
  17. The Q-factor of a parallel resonant circuit is also known as
  18. An open inductor has
  19. When current and voltage arte in phase in an ac circuita the ___ is equal to zero.
  20. A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…
  21. Which of the following dielectric materials makes the highest-capacitance capacitor?
  22. Which of the statements below is not true?
  23. What is the reciprocal of capacitance?
  24. The rms value of a triangular or sawtooth waveform is ___ tim value.
  25. The potential gradient in a cable is maximum in
  26. In a circuita an active element is one which
  27. The ratio between the reactive power and the apparent power of an ac load is called
  28. Which of the following is not a factor affecting dielectric strength?
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  30. Electron flow assumes charges flow from