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What is the most convenient way of achieving large capacitance?

A. By using multiplate construction

B. By using air as dielectric

C. By decreasing distance between plates

D. By using dielectric of low permittivity

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  1. In an ac circuit with XL and R in seriesa the
  2. In a complex resistance-reactance planea XLis represented
  3. What increases the resistance of wire at high frequencies?
  4. What is a rotating vector whose projection can represent either current or voltage in an ac circuit?
  5. What is the peak factor of a triangular wave?
  6. The wavelength of an alternating waveform depends upon the ___ of the variation.
  7. The charging of a capacitor through a resistance follows what law?
  8. Which of the following dielectric materials makes the lowest-capacitance capacitor?
  9. A law which states that when a constant electromotive force is applied to a circuit consisting of a…
  10. If two equal resistances connected in series across a certain supply are now connected in parallel across…
  11. When the temperature of copper wire is increased its resistance is
  12. Which of the statements below is not true?
  13. For a series ACcircuita ___ is not used as a reference phasor.
  14. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  15. If two complex conjugates are addeda ___ components results.
  16. The area of capacitor plates increases two timesa then its capacitance
  17. A capacitor opposes change in
  18. Why are inductance and capacitance not relevant in a dc circuit?
  19. For series capacitorsa total charge is
  20. The capacitor opposes any change in voltage across it by
  21. An inductive load always has a ___ power factor
  22. What is the total capacitance of 10 capacitorsa each of 20 F in series?
  23. In the 5-band method of capacitor color codinga the first band indicates
  24. What refers to such work at very low temperaturesa near absolute zero?
  25. The capacitance of a capacitor is ___ relative permittivity.
  26. What rating of a resistor determines its ability to absorb heat?
  27. The ratio of maximum value to the effective value of an alternating quantity is called
  28. If three 100-pF capacitors are connected in seriesa then the total capacitance is
  29. The ___ of an alternating quantity is defined as the fractional part of a period or cycle through which…
  30. Electron flow assumes charges flow from