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When the temperature of copper wire is increased its resistance is

A. Increased

B. Decreased

C. Constant

D. Zero

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  1. Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
  2. Which of the following materials has the lowest dielectric strength?
  3. Which of the following has a positive temperature coefficient?
  4. In a series RLCcircuit
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    If a certain circuit has a current that is lagging the voltage by 45a then it displays
  6. Electron flow assumes charges flow from
  7. What is the rms value of a square wave?
  8. The reason why electrical appliances are connected in parallel.
  9. Barium-strontium titanite dielectric material is also called
  10. Delta to wye or wye to delta transformation technique is applied to a ___ network.
  11. The unit of elastance is
  12. A neon glow lamp used as a night light ionizes at approximately
  13. What is the specific resistance of a pure germanium?
  14. If three 100-pF capacitors are connected in seriesa then the total capacitance is
  15. Transient period is considered over after
  16. When the power factor of a circuit is zeroa
  17. Rationalizing the denominator of a complex number means
  18. What is the resonant frequency of a circuit when L of 25 microhenrys and C of 10 picofarads are in parallel?
  19. When two complex conjugates are subtracteda the result is a
  20. For greater accuracya the value of phase angle should be determined from
  21. Which of the following conditions is not true for a series RLCcircuit at resonance?
  22. When two coils of identical reactance are in parallel without mutual inductancea the reactance of the…
  23. If one resistance in a series connection is opena then
  24. Which of the following is the peakiest?
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    Thevenins theorem is what form of an equivalent circuit?
  26. If two resistances of 9 and 6 are connected in parallela the total resistance is
  27. What increases the resistance of wire at high frequencies?
  28. The distance between the capacitor plates increases two timesa then its capacitance
  29. The presence of an electric current is made known by
  30. Which of the following is neither a basic physical law nor deliverable from one?