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The capacitor opposes any change in voltage across it by

A. Passing a voltage proportional to the rate of change of current

B. Acting as a short circuit at time equal to zero

C. Passing a current proportional to the rate of change of voltage

D. Acting as a short circuit at time equal to infinity

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  1. If two equal resistances connected in series across a certain supply are now connected in parallel across…
  2. In an inductive coila the rate of rise of current is maximum
  3. In a multiple capacitora the plate area is
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    When two pure sine waves of the same frequency and the same amplitude which are exactly 180 outof-phase are added togethera the result is
  5. In a series RLCcircuit
  6. The capacitor opposes any change in voltage across it by
  7. In a rectangular wavea the peak factor is
  8. Which of the following is not a factor affecting dielectric strength?
  9. Which of the following capacitors is suitable for dc filter circuits?
  10. Leakage resistance in a capacitor results into
  11. Which of the following does not generally affect the value of a capacitor?
  12. A 0.09 microfarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor…
  13. Parallel resonant circuit is sometimes called as
  14. A capacitor consists of two
  15. The electric field strength between capacitor plates has a unit
  16. Form its definitiona the unit of electric fielda is the N/C and equivalent unit of is the
  17. Which of the following conditions is not true for a series RLCcircuit at resonance?
  18. For a series circuita the higher the quality factor
  19. The farad is not equivalent to which of the following combination of units
  20. Loop currents should be assumed to flow in which direction
  21. For greater accuracya the value of phase angle should be determined from
  22. What is the temperature coefficient of the resistance Eureka?
  23. Which of the following combination of length and cross-sectional area will give a certain volume of…
  24. What is the total effective capacitance of two 0.25 F capacitors connected in series?
  25. VL= VCin a series RLCcircuit when
  26. Which waveform in which the rms value and the mean value are equal?
  27. A trimmer is a variable capacitor in which capacitance is varied by changing the
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    A capacitance of 6 F means
  29. The rms value of a triangular or sawtooth waveform is ___ tim value.
  30. The ratio between the active power and the apparent power of a load in an ac circuit is called