The resistance of an insulator ___ when its temperature is increased.

A. Decreases

B. Remains the same

C. Increases

D. Varies

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  1. Which of the following combination of length and cross-sectional area will give a certain volume of…
  2. In dividing or multiplying phasor quantitiesa ___ form is used.
  3. The wavelength of an alternating waveform depends upon the ___ of the variation.
  4. The ohmic value of a resistor with negative temperature coefficient
  5. For series capacitorsa total charge is
  6. The internal resistance of an ideal current source is
  7. The distance between the capacitor plates increases two timesa then its capacitance
  8. Metal tin becomes superconductor at approximately
  9. In an ac circuita the power dissipated as heat depends on
  10. The hot resistance of an incandescent lamp is about ___ times its cold resistance.
  11. At what frequency will the current in a series RLCcircuit reach its maximum value for an applied voltage…
  12. Why are inductance and capacitance not relevant in a dc circuit?
  13. If three 100-pF capacitors are connected in seriesa then the total capacitance is
  14. Refers to the outward-curving distortion of the lines of force near the edges of two parallel metal…
  15. The Q-factor of a parallel resonant circuit is also known as
  16. In an ac circuit with XL and R in seriesa the
  17. Which of the following is also known as antiresonant circuit?
  18. What can be used to estimate resonant frequency and to find reactance at any frequency for any value…
  19. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  20. What fusion of elements is without chemical action between them?
  21. Which of the following does not affect resistance?
  22. What is the conductance of a circuit having three 10 resistors in parallel?
  23. Resistor with colored bands in the body
  24. For a linear circuita ___ voltage or current is used to calculate average power.
  25. A factor that states how much the resistance changes for a change in temperature?
  26. What refers to the lowest voltage across any insulator that can cause current flow?
  27. Of the equivalent combination of unitsa which one is not equal to watt?
  28. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  29. Which of the following dielectric materials makes the highest-capacitance capacitor?
  30. For a series circuita the higher the quality factor