If the capacitance of mica capacitor is 5 times the capacitcitora then the relative permittivity of mica is



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  1. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  2. Which of the following does not affect resistance?
  3. What is the rms value of a square wave?
  4. A 5 F capacitor charge to 5V has a stored charge equal to
  5. Two complex numbers or phasors are said to be conjugate if they
  6. Permeability is otherwise known as
  7. What is the specific resistance of a pure silicon?
  8. The Q-factor of a series resonant circuit is also known as
  9. If a coil has a Q of 10a it means that
  10. The reciprocal of a complex number is
  11. The ratio between the active power and the apparent power of a load in an ac circuit is called
  12. The ohmic value of a resistor with negative temperature coefficient
  13. Electron flow assumes charges flow from
  14. When the power factor of a circuit is zeroa
  15. VL= VCin a series RLCcircuit when
  16. The temperature coefficient of resistance of electrolytes is
  17. How many coulombs are delivered by a storage battery in 25 hours if it is supplying current at the rate…
  18. A series RLCcircuit has a ______ power factor at its half-power points
  19. A capacitor is basically constructed of
  20. The resistance of an insulator ___ when its temperature is increased.
  21. Which of the following is not a factor affecting dielectric strength?
  22. A trimmer is a variable capacitor in which capacitance is varied by changing the
  23. In an ac circuita the power dissipated as heat depends on
  24. What is the peak factor for alternating current or voltage varying sinusiodally?
  25. In calculating maximum instantaneous power ___ voltage or current is used.
  26. At parallel resonancea the currents flowing through L and C are
  27. When capacitors are connected in seriesa the total capacitance is
  28. If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance…
  29. In a rectangular wavea the peak factor is
  30. The Q-factor of a parallel resonant circuit is also known as