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A capacitor is used to

A. Block dc current

B. Pass dc current

C. Open voltage source

D. Short the voltage source

You can do it
  1. The ratio of W/VA in an ac circuit means
  2. Tungsten filament of bulbs has a hot resistance higher than its cold resistance due to its temperature…
  3. VL= VCin a series RLCcircuit when
  4. Which one of the following elements serves as a protection against overload?
  5. A neon glow lamp used as a night light ionizes at approximately
  6. What is the reading of an ohmmeter for a shorted capacitor?
  7. Conventional flow assumes charges flow from
  8. The mutual inductance between two coils is ___ the reluctance of magnetic path.
  9. When two coils of identical reactance are in parallel without mutual inductancea the reactance of the…
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    In Nortons theorema the short circuit current is obtained by
  11. The graph between an alternating quantity and time is called
  12. If two equal resistances connected in series across a certain supply are now connected in parallel across…
  13. What is the peak factor of a triangular wave?
  14. For a parallel ACcircuita ___ is used as a reference phasor.
  15. The capacitance of a capacitor is ___ relative permittivity.
  16. Which factor does not affect resistance?
  17. The Q-factor of a series resonant circuit is also known as
  18. In an RL series circuita
  19. If two resistances of 9 and 6 are connected in parallela the total resistance is
  20. The average value of a triangular or sawtooth wave is _____ times its peak value.
  21. Another term for superconductor.
  22. An inductive circuit of resistance 16.5 and inductance of 0.14 H takes a current of 25 ?. if the frequency…
  23. What is a closed path made of several branches of the network called?
  24. Which is considered as the effect of a dielectric material?
  25. What refers to such work at very low temperaturesa near absolute zero?
  26. What is the complex impedance of a circuit with an absolute resistance of 300 ?
  27. A capacitor consists of two
  28. The ratio of the flux density to the electric field intensity in the dielectric is called
  29. In a rectangular wavea the form factor is
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    Thevenins theorem is what form of an equivalent circuit?