Which of the following capacitors is suitable for dc filter circuits?

A. Mica

B. Ceramic

C. Paper

D. Electrolytic

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  1. If a multiplate capacitor has 10 platesa each of area 10 cm2a then
  2. A 5 F capacitor charge to 5V has a stored charge equal to
  3. What is the hot resistance of a 100 Wa 220 V incandescent lamp?
  4. The Q-factor of a series resonant circuit is also known as
  5. Which of the following is a preferred resistor value?
  6. What determines the direction of induced emf in a conductor or coil?
  7. What is the most convenient way of achieving large capacitance?
  8. What can be used to estimate resonant frequency and to find reactance at any frequency for any value…
  9. When two unequal values of resistors are connected in parallel across a dc sourcea greater current flows…
  10. Rationalizing the denominator of a complex number means
  11. VL= VCin a series RLCcircuit when
  12. The ratio between the active power and the apparent power of a load in an ac circuit is called
  13. If resonant frequency is 10 kHz and quality factor is 50a then
  14. The wavelength of an alternating waveform depends upon the ___ of the variation.
  15. The reason why electrical appliances are not connected in series.
  16. In a parallel bank with unequal branch resistances
  17. Delta to wye or wye to delta transformation technique is applied to a ___ network.
  18. In a rectangular wavea the form factor is
  19. What is the purpose of a load in an electric circuit?
  20. The resistance of an insulator ___ when its temperature is increased.
  21. High resistance values are a consequence of the ___ of the film.
  22. Which of the following describes the action of a capacitor?
  23. It is impossible to change the voltage across a capacitor instantlya as this would produce ___ current.
  24. The capacitance of a capacitor is ___ relative permittivity.
  25. At what frequency will an inductor of 5mH have the same reactance as a capacitor of 0.1 F?
  26. Which of the following is a disadvantage of a wire-wound resistor?
  27. In a pure capacitancea
  28. What increases the resistance of wire at high frequencies?
  29. What rating of a resistor determines its ability to absorb heat?
  30. For parallel capacitorsa total charge is