When the temperature of copper wire is increased its resistance is

A. Increased

B. Decreased

C. Constant

D. Zero

You can do it
  1. The factor 0.707for converting peak to rms applies only to
  2. What theorem is generally used in the analysis of vacuum tubes?
  3. What is the form factor of a triangular wave?
  4. What is the efficiency under the conditions of maximum power transfer?
  5. If a multiplate capacitor has 10 platesa each of area 10 cm2a then
  6. How many degrees of phase represents one full cycle?
  7. In a series RLCcircuit
  8. Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
  9. If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance…
  10. The potential gradient in a cable is maximum in
  11. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  12. Voltage resonance means
  13. What is the most convenient way of achieving large capacitance?
  14. Which of the following dielectric materials makes the highest-capacitance capacitor?
  15. The average value of a triangular or sawtooth wave is _____ times its peak value.
  16. Under the conditions of maximum power transfera a voltage source is delivering a power of 15 W to the…
  17. The current is ____ times the maximum current at half-power points of a resonance curve.
  18. What is the rms value of a square wave?
  19. What refers to such work at very low temperaturesa near absolute zero?
  20. Electric energy refers to
  21. For a carbon composition resistora typical resistance values range from
  22. Another term for superconductor.
  23. If the output resistance of a voltage source is 4 a it internal resistance should be
  24. A switch designed to have low capacitance between its terminal when open.
  25. In calculating maximum instantaneous power ___ voltage or current is used.
  26. High resistance values are a consequence of the ___ of the film.
  27. An open inductor has
  28. Of the equivalent combination of unitsa which one is not equal to watt?
  29. For a linear circuita ___ voltage or current is used to calculate average power.
  30. The electric field strength between capacitor plates has a unit