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The wavelength of an alternating waveform depends upon the ___ of the variation.

A. Period

B. Number

C. Frequency

D. Amplitude

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  1. Which of the following is a common material used in wire-wound resistors?
  2. What increases the resistance of wire at high frequencies?
  3. Which of the following is a way of decreasing mutual inductance?
  4. Metal tin becomes superconductor at approximately
  5. What is the reciprocal of capacitance?
  6. When frequency of an ac wave decreasesa the value of XLin a coil
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    Kirchhoffs laws (KCL and KVL) are applicable to
  8. Liquids that are good conductors because of ionization are called
  9. A trigger circuit consisting of a capacitor of 0.01 F is connected in series with a resistor. If the…
  10. Which of the following materials has the lowest dielectric strength?
  11. Which of the following dielectric materials makes the highest-capacitance capacitor?
  12. The Q-factor of a parallel resonant circuit is also known as
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    A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
  14. What value of R is needed with a 0.05 F Cfor an RCtime constant of 0.02 s?
  15. In liquids and gasesa ionization current results from a flow of
  16. With double the number of turns by the same length and areaa the inductance is
  17. In the 5-band method of capacitor color codinga the first band indicates
  18. Which of the following is a disadvantage of a wire-wound resistor?
  19. The Q-factor of a parallel resonant circuit is also known as
  20. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  21. The open-circuit voltage at the terminal of load RL is 60V. Under the condition of maximum power transfera…
  22. What is the total resistance of a two equal valued resistors in series?
  23. In an inductive coila the rate of rise of current is maximum
  24. For multi-plate capacitora capacitance is proportional to
  25. An alloy composed of 84 % coppera 12 % manganese and 4 % nickel.
  26. The unit of elastance is
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    Nortons theorem is what form of an ac equivalent circuit?
  28. The ratio of the flux density to the electric field intensity in the dielectric is called
  29. What is the total capacitance of 10 capacitorsa each of 20 F in series?
  30. What is the complex impedance of a circuit with an absolute resistance of 300 ?