If the output resistance of a voltage source is 4 a it internal resistance should be



D. Infinite

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  1. What is the form factor of a triangular wave?
  2. What is the reading of an ohmmeter for a shorted capacitor?
  3. Why are inductance and capacitance not relevant in a dc circuit?
  4. A lead conductor has a resistance of 25 at 0 C. Determine its resistance at -30 C
  5. The curve between current and frequency is termed as
  6. In a series RLCcircuit
  7. What can be used to estimate resonant frequency and to find reactance at any frequency for any value…
  8. A switch designed to have low capacitance between its terminal when open.
  9. Points to be considered in choosing a capacitor
  10. What is a closed path made of several branches of the network called?
  11. The internal resistance of an ideal current source is
  12. Which of the following has a positive temperature coefficient?
  13. A 5 F capacitor charge to 5V has a stored charge equal to
  14. When the movable plates of a gang capacitor completely overlap the fixed platesa the capacitance of…
  15. If a certain circuit has a current that is lagging the voltage by 45a then it displays
  16. The reason why electrical appliances are connected in parallel.
  17. What rating of a resistor determines its ability to absorb heat?
  18. Electron flow assumes charges flow from
  19. A term used to express the amount of electrical energy stored in electrostatic field.
  20. Another term for superconductor.
  21. What dielectric is generally employed by a variable capacitor?
  22. The admittance of a parallel RLC circuit is found to be the ___ sum of conductance and susceptances.
  23. In a circuita a passive element is one which
  24. For a triangular and sawtooth waveform the rms voltage or current equals
  25. A real current source has
  26. Which of the following has negative temperature coefficient?
  27. Which component opposes voltage change?
  28. The current is ____ times the maximum current at half-power points of a resonance curve.
  29. Which of the following is a disadvantage of a wire-wound resistor?
  30. When the power factor of a circuit is zeroa