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  1. What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
  2. Which of the following has negative temperature coefficient?
  3. What theorem is usually used in the analysis of transistor circuit?
  4. A capacitor requires 12 C of charge to raise its potential of 3 V. What is the capacitance of the capacitor?
  5. Which statement is true about a passive circuit?
  6. Which of the following dielectric materials makes the lowest-capacitance capacitor?
  7. A wire of one kilometre length has a resistance of 20 . If the length is halveda then the new resistance…
  8. When two in-phase sine waves that have identical frequency and amplitude are added togethera then the…
  9. A rheostat is a form of
  10. A neon glow lamp used as a night light ionizes at approximately
  11. In a parallel bank with unequal branch resistances
  12. For a triangular and sawtooth waveform the rms voltage or current equals
  13. Effects of capacitance
  14. The temperature coefficient of resistance of electrolytes is
  15. The ratio between the reactive power and the apparent power of an ac load is called
  16. Metal tin becomes superconductor at approximately
  17. For a series ACcircuita ___ is not used as a reference phasor.
  18. The reason why electrical appliances are not connected in series.
  19. Which of the following conditions is not true for a series RLCcircuit at resonance?
  20. The Q-factor of a parallel resonant circuit is also known as
  21. The second strip of an electronic resistor color-code represents
  22. Which of the following does not refer to electrical energy?
  23. The symbol Q refers to
  24. What is the value of a carbon composition resistor with the following color code: Browna whitea orangea…
  25. A three-by-threea series-parallel matrix of resistorsa all having the same ohmic valuea would have a…
  26. Which of the following is a way of decreasing mutual inductance?
  27. The mutual inductance between two coils is ___ the reluctance of magnetic path.
  28. Which of the following does not generally affect the value of a capacitor?
  29. Delta to wye or wye to delta transformation technique is applied to a ___ network.
  30. Liquids that are good conductors because of ionization are called