A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current is I. The coil is made from a superconducting material. The rate at which power is dissipated in the coil is





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  1. The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
  2. For a parallel ACcircuita ___ is used as a reference phasor.
  3. A three-by-threea series-parallel matrix of resistorsa all having the same ohmic valuea would have a…
  4. The Q-factor of a series resonant circuit is also known as
  5. A term used to express the amount of electrical energy stored in electrostatic field.
  6. An inductive load always has a ___ power factor
  7. A capacitor is used to
  8. For a series ACcircuita ___ is not used as a reference phasor.
  9. What is the peak factor for alternating current or voltage varying sinusiodally?
  10. Points to be considered in choosing a capacitor
  11. Which of the following has negative temperature coefficient?
  12. The factor 0.707for converting peak to rms applies only to
  13. Which statement is true about a passive circuit?
  14. What increases the resistance of wire at high frequencies?
  15. When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
  16. What is the total resistance of a two equal valued resistors in series?
  17. If resonant frequency is 10 kHz and quality factor is 50a then
  18. The voltage cannot be exactly in phase with the current in a circuit that contains
  19. In an ac circuit with a resistive branch and an inductive branch in parallela the
  20. Which of the following is the most popular waveform?
  21. Which of the following dielectric materials makes the highest-capacitance capacitor?
  22. A real current source has
  23. What determines the magnitude of electric current?
  24. For multi-plate capacitora capacitance is proportional to
  25. A trimmer is a variable capacitor in which capacitance is varied by changing the
  26. The ratio of maximum value to the effective value of an alternating quantity is called
  27. When frequency of an ac wave decreasesa the value of XLin a coil
  28. Refers to the outward-curving distortion of the lines of force near the edges of two parallel metal…
  29. Which of the following materials has the lowest dielectric strength?
  30. Which of the following elements is active?