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The charging of a capacitor through a resistance follows what law?

A. Linear law

B. Hyperbolic law

C. Inverse-square law

D. Exponential law

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  1. When the temperature of copper wire is increased its resistance is
  2. Two capacitors of capacitance 9 F and 18 F in series will have a total capacitance of
  3. A 0.09 microfarad capacitor is charged to 220 volts. How long in milliseconds will it discharged resistor…
  4. The resistance of an insulator ___ when its temperature is increased.
  5. The potential gradient in a cable is maximum in
  6. Which of the following materials has the lowest dielectric strength?
  7. What is the resonant frequency of a circuit when L of 3 microhenrys and C of 40 picofarads are in series?
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    Nortons theorem is ____ Thevenins theorem.
  9. An open resistor when checked with an ohmmeter reads
  10. Which of the following is a disadvantage of a wire-wound resistor?
  11. Refers to the outward-curving distortion of the lines of force near the edges of two parallel metal…
  12. A linear circuit is one whose parameters
  13. Refers specifically to steady state values of quantities in ac circuits which are complex numbers.
  14. What determines the direction of induced emf in a conductor or coil?
  15. What value of R is needed with a 0.05 F Cfor an RCtime constant of 0.02 s?
  16. What is the reciprocal of capacitance?
  17. For greater accuracya the value of phase angle should be determined from
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    A series RLCcircuit consists of a 10 resistor in series with L = 10 Ha and C= 100 F. Determine a new value of Ia for which the resonant frequency is one half the original value.
  19. What is the purpose of a load in an electric circuit?
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    Thevenins theorem is what form of an equivalent circuit?
  21. When voltage is applied across a ceramic dielectric the electrostatic field p roduced is 50 times greater…
  22. An ac series circuit is composed of a resistance of 20 a inductive reactance of 40 a and a capacitive…
  23. Which of the following does not refer to electrical energy?
  24. The power factor of a circuit is equal to
  25. What is considered as the most important value of a sine wave?
  26. The electric field strength between capacitor plates has a unit
  27. The Q-factor of a parallel resonant circuit is also known as
  28. Form its definitiona the unit of electric fielda is the N/C and equivalent unit of is the
  29. A tank circuit is a
  30. What determines the magnitude of electric current?