What Is Electricity Quiz?

30 Questions | Total Attempts: 133

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Electricity Quizzes & Trivia

Take this educational science quiz and learn about batteries, conductors, insulators, amps, watts, generators, power, and volts.


Questions and Answers
  • 1. 
    An _______ is a device for measuring resistance. 
  • 2. 
    What happens when a switch is turned off
    • A. 

      Electricity stops flowing from the switch and therefore the circuit is broken, providing no electricity to the object being powered

    • B. 

      Electricity is able to flow through the circuit powering an electrical device

    • C. 

      Electricity is not able to flow through the circuit but it can still power an electrical device

    • D. 

      Electricity is able to flow through the circuit but it cannot power an electrical device

  • 3. 
    Why should you never directly connect the negative and positive terminals of a battery?
    • A. 

      It will short circuit

    • B. 

      You will get a shock

    • C. 

      The battery will turn blue

    • D. 

      The battery will disappear

  • 4. 
    The unit used for measuring electrical current is called a(an):
    • A. 

      Electrode

    • B. 

      Volt

    • C. 

      Discharge

    • D. 

      Ampere

  • 5. 
    Material that electricity can travel through easily is called a
    • A. 

      Conductor

    • B. 

      Insulator

    • C. 

      Semiconductor

    • D. 

      None of these

  • 6. 
    A circuit is a path taken by a current. A path with no breaks is called a
    • A. 

      Closed circuit

    • B. 

      None of these

    • C. 

      Open switch

    • D. 

      Open circuit

  • 7. 
    Materials that do not allow electrical charges to pass through it easily are called
    • A. 

      Conductor

    • B. 

      All of the above

    • C. 

      Semiconductors

    • D. 

      Insulator

  • 8. 
    Parallel circuits have only one path.
    • A. 

      True

    • B. 

      False

  • 9. 
    Two identical batteries are connected.  Their total voltage is exactly twice as much as either battery on its own.  Most likely, they are connected how?
    • A. 

      In series

    • B. 

      In parallel

    • C. 

      Most likely they are not connected to one another

  • 10. 
    Why are resistors used in a circuit?
    • A. 

      To store electrical energy

    • B. 

      To make current switch back and forth rapidly

    • C. 

      To control how much current flows through a particular part of the circuit so other components work properly

    • D. 

      Resistors don't really exist, they are just a concept

  • 11. 
    True or False.  Circuit diagrams are schematic maps drawn to represent the connections between electrical components like batteries, resistors, light bulbs, etc.
    • A. 

      True.

    • B. 

      False.

  • 12. 
    A certain steam iron carries a current of 6.4 A when connected to a 120 V source.  What is the resistance of the steam iron?
    • A. 

      1.875 Ω

    • B. 

      0.05 Ω

    • C. 

      768 Ω

    • D. 

      18.75 Ω

  • 13. 
    The resistance of a hotplate is 48 Ω .  How much current does the plate carry when connected to a 120-V source?
    • A. 

      120 A

    • B. 

      0.4 A

    • C. 

      5760 A

    • D. 

      2.5 A

  • 14. 
    Voltage is a measurement of what?
    • A. 

      Radiant energy of a lightbulb in a circuit

    • B. 

      Kinectic energy of a motor in a circuit

    • C. 

      Potential energy stored in a battery

    • D. 

      The flow of electrons

  • 15. 
    What is current?
    • A. 

      The newness of a battery or resistor

    • B. 

      Flow of charge, usually in the form of electrons

    • C. 

      Something that blocks or slows the flow of electrons

    • D. 

      The potential energy stored in a battery

  • 16. 
    Current flowing in only one direction is
    • A. 

      Unpredictable Current (UC)

    • B. 

      Alternating Current (AC)

    • C. 

      Direct Current (DC)

    • D. 

      Detectable Current (DC)

  • 17. 
    What is the unit for voltage?
    • A. 

      Ampere

    • B. 

      Joule

    • C. 

      Volt

    • D. 

      Hertz

    • E. 

      Ohm

  • 18. 
    What is the unit for resistance?
    • A. 

      Ampere

    • B. 

      Joule

    • C. 

      Volt

    • D. 

      Hertz

    • E. 

      Ohm

  • 19. 
    Two identical batteries are connected.  Their total voltage is exactly twice as much as either battery on its own.  Most likely, they are connected how?
    • A. 

      In series

    • B. 

      In parallel

    • C. 

      Most likely they are not connected to one another

  • 20. 
    Why are resistors used in a circuit?
    • A. 

      To store electrical energy

    • B. 

      To make current switch back and forth rapidly

    • C. 

      To control how much current flows through a particular part of the circuit so other components work properly

    • D. 

      Resistors don't really exist, they are just a concept

  • 21. 
    True or False.  Circuit diagrams are schematic maps drawn to represent the connections between electrical components like batteries, resistors, light bulbs, etc.
    • A. 

      True.

    • B. 

      False.

  • 22. 
    A certain steam iron carries a current of 6.4 A when connected to a 120 V source.  What is the resistance of the steam iron?
    • A. 

      1.875 Ω

    • B. 

      0.05 Ω

    • C. 

      768 Ω

    • D. 

      18.75 Ω

  • 23. 
    The resistance of a hotplate is 48 Ω .  How much current does the plate carry when connected to a 120-V source?
    • A. 

      120 A

    • B. 

      0.4 A

    • C. 

      5760 A

    • D. 

      2.5 A

  • 24. 
    Voltage is a measurement of what?
    • A. 

      Radiant energy of a lightbulb in a circuit

    • B. 

      Kinectic energy of a motor in a circuit

    • C. 

      Potential energy stored in a battery

    • D. 

      The flow of electrons

  • 25. 
    What is current?
    • A. 

      The newness of a battery or resistor

    • B. 

      Flow of charge, usually in the form of electrons

    • C. 

      Something that blocks or slows the flow of electrons

    • D. 

      The potential energy stored in a battery

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