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  • Question
  • 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

  • Correct Answer
  • 60 V 


  • Electronic Principles problems


    Search Results


    • 1. The basic unit of measurement for resistance is the:

    • Options
    • A. volt
    • B. ampere
    • C. ohm
    • D. watt
    • E. None of the above
    • Discuss
    • 2. The peak value of a sine waveform is:

    • Options
    • A. the amplitude at 70.7% of the maximum value
    • B. the amplitude at 90% of the maximum value
    • C. the amplitude at 1.41 times the maximum value
    • D. the maximum positive or negative value
    • E. None of the above
    • Discuss
    • 3. What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W?

    • Options
    • A. 0 degree
    • B. 26.6 degree
    • C. 90 degree
    • D. 180 degree
    • E. None of the above
    • Discuss
    • 4. The dielectric constant of a material is a measure of:

    • Options
    • A. the amount of voltage it can withstand before breaking down
    • B. how well the material concentrates electrostatic lines of force
    • C. the amount of opposition to the current flow
    • D. how well the material concentrates magnetic lines of force
    • E. None of the above
    • Discuss
    • 5. The total inductance of a series inductor circuit is:

    • Options
    • A. equal to the sum of the individual inductance values
    • B. equal to the sum of the individual inductive-reactance values
    • C. less than the value of the smallest inductor
    • D. equal to the source voltage divided by total current
    • E. None of the above
    • Discuss
    • 6. 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
    • 7. 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
    • 8. 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
    • 9. 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
    • Discuss
    • 10. 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


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