In an ac wavea 30 degrees of phase is ___ of a cycle.



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  1. The arc across a switch when it open an RL circuit is a result of the
  2. A tank circuit is a
  3. The superposition theorem is used when the circuit contains
  4. Effects of capacitance
  5. The ratio of maximum value to the effective value of an alternating quantity is called
  6. A term used to express the amount of electrical energy stored in electrostatic field.
  7. What is the total capacitance of 10 capacitorsa each of 20 F in series?
  8. The internal resistance of an ideal voltage source is
  9. If two complex conjugates are addeda ___ components results.
  10. And ideal current source has an internal conductance of _____ siem
  11. The result of rust in electrical (wire) connection is
  12. What theorem is generally used in the analysis of vacuum tubes?
  13. What is the rms value of a square wave?
  14. Which of the following capacitors is suitable for dc filter circuits?
  15. What is the reading of an ohmmeter for a shorted capacitor?
  16. The second strip of an electronic resistor color-code represents
  17. A capacitance of 0.05 F equals
  18. The area of capacitor plates increases two timesa then its capacitance
  19. The reason why alternating current can induce voltage is
  20. VL= VCin a series RLCcircuit when
  21. A resistor wound with a wire doubled back on itself to reduce the inductance.
  22. In a series circuit with unequal resistances the
  23. A three-by-threea series-parallel matrix of resistorsa all having the same ohmic valuea would have a…
  24. What is considered as the most important value of a sine wave?
  25. What is the peak factor of a triangular wave?
  26. In an ac circuit with a resistive branch and an inductive branch in parallela the
  27. The resistance of an insulator ___ when its temperature is increased.
  28. The wavelength of an alternating waveform depends upon the ___ of the variation.
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    A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
  30. If a capacitor is rated for 200V dca what is its effective ac working voltage?