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In an ac circuita the power dissipated as heat depends on

A. Impedance

B. Capacitive reactance

C. Resistance

D. Inductive reactance

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  1. What rating of a resistor determines its ability to absorb heat?
  2. What is the cross-sectional are of a conductor whose diameter is 0.001 inch?
  3. Which of the following is the peakiest?
  4. The rms value of a triangular or sawtooth waveform is ___ tim value.
  5. The ratio of the flux density to the electric field intensity in the dielectric is called
  6. An open inductor has
  7. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
  8. When the power factor of a circuit is zeroa
  9. In a complex number 5 + j 10a 10 is called ___ part.
  10. In liquids and gasesa ionization current results from a flow of
  11. The internal resistance of an ideal current source is
  12. What is the complex impedance of a circuit with an absolute resistance of 300 ?
  13. Which of the following is not considered a physical factor affecting resistance?
  14. Conventional flow assumes charges flow from
  15. Which of the following does not generally affect the value of a capacitor?
  16. The capacitor opposes any change in voltage across it by
  17. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  18. Which of the following elements is active?
  19. A capacitive load always has a ______ power facto
  20. A circuit whose parameters change with voltage or current.
  21. What is the reading of an ohmmeter for a shorted capacitor?
  22. The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera…
  23. Points to be considered in choosing a capacitor
  24. What is the form factor of a triangular wave?
  25. In a circuita a passive element is one which
  26. For greater accuracya the value of phase angle should be determined from
  27. The average value of a triangular or sawtooth wave is _____ times its peak value.
  28. The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which…
  29. The reason why electrical appliances are connected in parallel.
  30. Which of the following is a preferred resistor value?