What dielectric is generally employed by a variable capacitor?

A. Mica

B. Air

C. Electrolyte

D. Ceramic

You can do it
  1. The Q-factor of a series resonant circuit is also known as
  2. When the temperature of copper wire is increased its resistance is
  3. If three 9 mH inductors are connected in parallel without mutual inductance then the total i nductance…
  4. Which of the following is the most popular waveform?
  5. Which of the following is not considered a physical factor affecting resistance?
  6. A coil of inductance L has an inductive reactance of XLin an ac circuit in which the effective current…
  7. The reactance curve is a plot of frequency versus _____ for a series RLCcircuit
  8. What is the rms value of a square wave?
  9. The unit of elastance is
  10. When two in-phase sine waves that have identical frequency and amplitude are added togethera then the…
  11. In a series RLCcircuit
  12. The ratio of maximum value to the effective value of an alternating quantity is called
  13. Which of the following is the peakiest?
  14. Which of the following combination of length and cross-sectional area will give a certain volume of…
  15. If a multiplate capacitor has 10 platesa each of area 10 cm2a then
  16. In an ac wavea 30 degrees of phase is ___ of a cycle.
  17. The presence of an electric current is made known by
  18. In a circuita an active element is one which
  19. What is the resonant frequency of a circuit when L of 25 microhenrys and C of 10 picofarads are in parallel?
  20. A PHP Error was encountered

    Severity: Notice

    Message: iconv_strlen(): Detected an illegal character in input string

    Filename: compat/mbstring.php

    Line Number: 77


    File: /var/www/html/application/views/discuss.php
    Line: 226
    Function: character_limiter

    File: /var/www/html/application/helpers/viewloader_helper.php
    Line: 1359
    Function: view

    File: /var/www/html/application/controllers/Questions.php
    Line: 484
    Function: load_guest

    File: /var/www/html/index.php
    Line: 315
    Function: require_once

    A capacitance of 6 F means
  21. At what frequency will an inductor of 5mH have the same reactance as a capacitor of 0.1 F?
  22. In an RL series circuita
  23. Capacitance increase with
  24. The power factor of a certain circuit in which the voltage lags behind the current is 80 %. To increase…
  25. A capacitor is basically constructed of
  26. Of the equivalent combination of unitsa which one is not equal to watt?
  27. The superposition theorem is used when the circuit contains
  28. Which of the following is not a factor affecting capacitance oor?
  29. What is the efficiency under the conditions of maximum power transfer?
  30. What capacitance exists not through design but simply because two conducting surfaces are relatively…