Electricity Exam: Trivia Questions! Quiz

50 Questions | Total Attempts: 1992

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Electricity Exam: Trivia Questions! Quiz


Questions and Answers
  • 1. 
    In a wave, the number of oscillations per second is its
    • A. 

      Voltage

    • B. 

      Spectrum

    • C. 

      Wavelength

    • D. 

      Frequency

  • 2. 
    The distance covered by one complete wave (or one complete cycle) is called
    • A. 

      Voltage

    • B. 

      Capacitance

    • C. 

      Wavelength

    • D. 

      Frequency

  • 3. 
    Frequency is
    • A. 

      The number of oscillations per second

    • B. 

      Measured in Hertz

    • C. 

      An indicator of how rapidly current is changing

    • D. 

      All of the above

    • E. 

      None of the above

  • 4. 
    The unit for #times/sec is
    • A. 

      Hertz

    • B. 

      Amps

    • C. 

      Volts

    • D. 

      Ohms

  • 5. 
    A transverse wave is a wave that travels
    • A. 

      Parallel to another wave

    • B. 

      Perpendicularly to another wave

    • C. 

      Faster than another wave

    • D. 

      Slower than another wave

  • 6. 
    Current flowing in only one direction is
    • A. 

      Unpredictable Current (UC)

    • B. 

      Alternating Current (AC)

    • C. 

      Direct Current (DC)

    • D. 

      Detectable Current (DC)

  • 7. 
    In the electromagnetic spectrum, which waveform has the shortest wavelength?
    • A. 

      Gamma Rays

    • B. 

      X-Rays

    • C. 

      Ultraviolet Light

    • D. 

      Infrared Light

    • E. 

      Radio Waves

  • 8. 
    In the electromagnetic spectrum, which waveform has the longest wavelength?
    • A. 

      Gamma Rays

    • B. 

      X-Rays

    • C. 

      Visible Light

    • D. 

      Microwaves

    • E. 

      Radio Waves

  • 9. 
    All types of electromagnetic waves have the same frequency.
    • A. 

      True

    • B. 

      False

  • 10. 
    In electromagnetic waves, an electric wave moves perpendicularly to a magnetic wave.
    • A. 

      True

    • B. 

      False

  • 11. 
    In the electromagnetic spectrum, put these waveforms in order from most rapid (highest frequency) to slowest (lowest frequency):  radio waves, infrared, microwave, gamma rays, x-rays, ultraviolet light, visible light.
    • A. 

      Radio, infrared, x-ray, gamma, ultraviolet, visible light, microwave

    • B. 

      Gamma, radio, ultraviolet, visible light, microwave, x-ray, infrared

    • C. 

      Gamma, x-ray, ultraviolet, visible light, infrared, microwave, radio

    • D. 

      Radio, microwave, infrared, visible light, ultraviolet, x-ray, gamma

    • E. 

      None of these -- they all have the same frequency

  • 12. 
    Humans can see gamma rays with their eyeballs.
    • A. 

      True

    • B. 

      False

  • 13. 
    Oscillating current is called
    • A. 

      Direct Current (DC)

    • B. 

      Alternating Current (AC)

    • C. 

      Annoying Current (AC)

    • D. 

      Disorganized Current (DC

  • 14. 
    • A. 

      AC

    • B. 

      DC

    • C. 

      60 Hz

    • D. 

      A and C

    • E. 

      B and C

  • 15. 
    A capacitor is a circuit component that consists of two parallel plates of charge.
    • A. 

      True

    • B. 

      False

  • 16. 
    When is this equation used? REQ = R1 + R2
    • A. 

      When two resistors are connected in parallel

    • B. 

      When two resistors are connected in series

    • C. 

      When two batteries are connected in parallel

    • D. 

      When two capacitors are connected in series

  • 17. 
    When is this equation used? 1/REQ = 1/R1 + 1/R2
    • A. 

      When two resistors are connected in parallel

    • B. 

      When two resistors are connected in series

    • C. 

      When two batteries are connected in parallel

    • D. 

      When two capacitors are connected in series

  • 18. 
    In this circuit diagram, where will most of the current flow and why?
    • A. 

      It will flow through the 2 Ohm resistor because it follows the path of least resistance.

    • B. 

      It will flow through the 10 Ohm resistor because it follows the first path it reaches.

    • C. 

      It will flow through the 50 Ohm reisitor because it follows the path of greatest resistance.

  • 19. 
    Find REQ for this circuit.
    • A. 

      50/3 Ohms

    • B. 

      3/50 Ohms

    • C. 

      120 Ohms

    • D. 

      1/120 Ohms

  • 20. 
    Find REQ for this circuit.
    • A. 

      15/26 KΩ

    • B. 

      6.5 KΩ

    • C. 

      26/15 KΩ

    • D. 

      7.5 KΩ

  • 21. 
    • A. 

      4,333 Amps

    • B. 

      4.333 Amps

    • C. 

      230 Amps

    • D. 

      0.23 Amps

  • 22. 
    What are these?
    • A. 

      Resistors

    • B. 

      Capacitors

    • C. 

      Batteries

    • D. 

      Lightbulbs

    • E. 

      Transformers

  • 23. 
    What do the stripes indicate?
    • A. 

      Amount of voltage

    • B. 

      Amount of current

    • C. 

      Amount of resistance

    • D. 

      Amount of energy

    • E. 

      Amount of power

  • 24. 
    What is the unit for voltage?
    • A. 

      Ampere

    • B. 

      Joule

    • C. 

      Volt

    • D. 

      Hertz

    • E. 

      Ohm

  • 25. 
    What is the unit for current?
    • A. 

      Ampere

    • B. 

      Joule

    • C. 

      Volt

    • D. 

      Hertz

    • E. 

      Ohm