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  • Question
  • An ideal voltage source has


  • Options
  • A. Zero internal resistance
  • B. Infinite internal resistance
  • C. A load dependent voltage
  • D. A load-dependent current
  • E. None of the above

  • Correct Answer
  • Zero internal resistance 


  • Electronic Principles problems


    Search Results


    • 1. What is the difference between the kinds of charges for an electron and a proton?

    • Options
    • A. An electron has a positive charge and a proton has no charge
    • B. An electron has a positive charge and a proton has a negative charge
    • C. An electron has a negative charge and a proton has a positive charge
    • D. An electron has a negative charge and a proton has no charge
    • E. None of the above
    • Discuss
    • 2. Which one of the following is most likely used for measuring the rate of electron flow?

    • Options
    • A. Voltmeter
    • B. Ammeter
    • C. Wattmeter
    • D. Ohmmeter
    • E. None of the above
    • Discuss
    • 3. Current is

    • Options
    • A. The flow of charged particles through a material
    • B. An imbalance of electrical charges
    • C. The force that causes electrons to flow
    • D. The number of free electrons in an atom
    • E. None of the above
    • Discuss
    • 4. If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage?

    • Options
    • A. 0 V
    • B. 36 V
    • C. 40 V
    • D. 60 V
    • E. None of the above
    • Discuss
    • 5. The basic unit of measurement for resistance is the:

    • Options
    • A. volt
    • B. ampere
    • C. ohm
    • D. watt
    • E. None of the above
    • Discuss
    • 6. Which one of the following phrases most accurately describes a purely capacitive circuit?

    • Options
    • A. Resistances provide the only opposition to current flow
    • B. Capacitive reactance provides the only opposition to current flow
    • C. The ac voltage leads the current by 90 degree
    • D. Combinations of resistance and capacitive reactance provide any opposition to current flow
    • E. None of the above
    • Discuss
    • 7. What is the inductive reactance of a 2-H coil operating at 60 Hz?

    • Options
    • A. 754 Ohm
    • B. 30 Ohm
    • C. 60 Ohm
    • D. 120 Ohm
    • E. None of the above
    • Discuss
    • 8. Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

    • Options
    • A. P = IE
    • B. P = E2/R
    • C. P = I2R
    • D. I = P/E
    • E. None of the above
    • Discuss
    • 9. A device that converts light energy to electrical energy is called a:

    • Options
    • A. thermocouple
    • B. solar cell
    • C. photodiode
    • D. photo transistor
    • E. None of the above
    • Discuss
    • 10. What kind of battery is most likely included in a cordless electric knife?

    • Options
    • A. Zinc-carbon battery
    • B. Mercury-cell battery
    • C. Nicad battery
    • D. Lead-acid battery
    • E. None of the above
    • Discuss


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