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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. Of the equivalent combination of unitsa which one is not equal to watt?
  2. The average value of a triangular or sawtooth wave is _____ times its peak value.
  3. An alloy composed of 84 % coppera 12 % manganese and 4 % nickel.
  4. The graph between an alternating quantity and time is called
  5. What is the most convenient way of achieving large capacitance?
  6. Property of an electric circuit that dissipates electric energy
  7. What is the resonant frequency of a circuit when L of 3 microhenrys and C of 40 picofarads are in series?
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    Which of the following is the statement of Ohms law?
  9. An electric circuit contains
  10. The ratio between the reactive power and the apparent power of an ac load is called
  11. The reason why electrical appliances are not connected in series.
  12. The mutual inductance between two coils is ___ the reluctance of magnetic path.
  13. The rms value of a triangular or sawtooth waveform is ___ tim value.
  14. If the inductance is decreaseda the impedance of the circuit containing a resistor a capacitor and an…
  15. The distance between the capacitor plates increases two timesa then its capacitance
  16. If three 100-pF capacitors are connected in seriesa then the total capacitance is
  17. What is the efficiency under the conditions of maximum power transfer?
  18. What is the rms value of a square wave?
  19. The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
  20. In a multiple capacitora the plate area is
  21. What refers to such work at very low temperaturesa near absolute zero?
  22. The value of temperature coefficient ( ) is dependent upon
  23. In a parallel bank with unequal branch resistances
  24. In dividing or multiplying phasor quantitiesa ___ form is used.
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    Any resistance R in a branch of a network in which a current I is flowing can be replaced by a voltage equal to IR. This states
  26. The usual load of a dc circuit is a/an
  27. Which of the following has a positive temperature coefficient?
  28. What theorem is generally used in the analysis of vacuum tubes?
  29. A neon glow lamp used as a night light ionizes at approximately
  30. What is the most common non-sinusoidal waveform?