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  • Question
  • A real voltage source has


  • Options
  • A. Zero internal resistance
  • B. Infinite internal resistance
  • C. A small internal resistance
  • D. A large internal resistance
  • E. None of the above

  • Correct Answer
  • A small internal resistance 


  • Electronic Principles problems


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    • 1. Inductive reactance is measured in units of:

    • Options
    • A. volts per second
    • B. amperes per second
    • C. Ohm
    • D. henrys
    • E. None of the above
    • Discuss
    • 2. What are the main parts of an atom?

    • Options
    • A. Protons only
    • B. Electrons, protons, and ions
    • C. Electrons, ions, and neutrons
    • D. Electrons, protons, and neutrons
    • E. None of the above
    • Discuss
    • 3. Which one of the following statements is true for voltage in a parallel circuit?

    • Options
    • A. The total voltage in a parallel circuit is equal to the average value of the individual voltages
    • B. The total voltage in a parallel circuit is always less than the value of the smallest voltage
    • C. The total voltage is equal to the sum of the voltages across the individual branches in a parallel circuit
    • D. The total voltage of a parallel circuit is the same as the voltages across each branch
    • E. None of the above
    • Discuss
    • 4. Doubling the operating frequency of a purely inductive circuit:

    • Options
    • A. doubles the amount of current through the inductors
    • B. has no effect on the current through the inductors
    • C. cuts the current through the inductors one-half
    • D. increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
    • E. None of the above
    • Discuss
    • 5. 1 Microfarad is the same as:

    • Options
    • A. 1 millionth of a picofarad
    • B. 1000 millifarads
    • C. 1 million picofarads
    • D. 1 million farads
    • E. None of the above
    • Discuss
    • 6. The barrier potential accross each depletion layer is

    • Options
    • A. 0
    • B. 0.8 V
    • C. 0.7 V
    • D. 20 V
    • E. None of the above
    • Discuss
    • 7. At cut off, the Q point is at

    • Options
    • A. upper end of the load line
    • B. middle of the load line
    • C. lower end of the load line
    • D. infinity
    • E. None of the above
    • Discuss
    • 8. Which one of the following kinds of materials has the highest permeability?

    • Options
    • A. A diamagnetic material
    • B. A ferromagnetic material
    • C. A paramagnetic material
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. To get the Norton current, you have to

    • Options
    • A. Short the load resistor
    • B. Open the load resistor
    • C. Short the voltage source
    • D. Open the voltage source
    • E. None of the above
    • Discuss
    • 10. Which one of the following statements is true?

    • Options
    • A. Capacitive reactance is at a minimum for dc source voltages
    • B. Capacitive reactance decreases as the operating frequency increases
    • C. There is no meaningful relationship between capacitive reactance and operating frequency
    • D. Capacitive reactance increases as the operating frequency increases
    • E. None of the above
    • Discuss


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