Electricity Test

23 Questions

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Electricity Test

Questions and Answers
  • 1. 
    Circuit with more than one path
    • A. 

      Parallel

    • B. 

      Series

  • 2. 
    A material that current does not easily flow through
    • A. 

      Conductor

    • B. 

      Insulator

    • C. 

      Electric discharge

    • D. 

      Voltage

  • 3. 
    Rapid movement of excess electrons from one place to another
    • A. 

      Static electricity

    • B. 

      Insulator

    • C. 

      Electric discharge

    • D. 

      Series

  • 4. 
    Rate at which electric energy is converted to another form
    • A. 

      Electric field

    • B. 

      Static charge

    • C. 

      Circuit

    • D. 

      Power

  • 5. 
    Closed path through which a current can flow
    • A. 

      Circuit

    • B. 

      Voltage

    • C. 

      Resistance

    • D. 

      Conductor

  • 6. 
    Buildup of electrical charges in one place.
    • A. 

      Current electricity

    • B. 

      Ohm's Law

    • C. 

      Static charge

    • D. 

      Electrical power

  • 7. 
    Exists around every electric charge
    • A. 

      Insulator

    • B. 

      Electric field

    • C. 

      Voltage

    • D. 

      Electric discharge

  • 8. 
    Steady flow of electrons
    • A. 

      Static charge

    • B. 

      Current

    • C. 

      Electric field

    • D. 

      Voltage

  • 9. 
    Measure of how difficult it is for electrons to flow
    • A. 

      Series

    • B. 

      Resistance

    • C. 

      Conductor

    • D. 

      Static charge

  • 10. 
    A material that current flows through easily
    • A. 

      Conductor

    • B. 

      Insulator

    • C. 

      Electric discharge

    • D. 

      Parallel

  • 11. 
    An atom with a positive or negative charge
    • A. 

      Electric field

    • B. 

      Resistance

    • C. 

      Parallel circuit

    • D. 

      Ion

  • 12. 
    A circuit with more than one path along which current can flow
    • A. 

      Series

    • B. 

      Parallel

    • C. 

      Electric discharge

    • D. 

      Resistance

  • 13. 
    Place a checkmark beside all the following that are good conductors
    • A. 

      Dry skin

    • B. 

      Water

    • C. 

      Rubber

    • D. 

      Iron

    • E. 

      Copper

    • F. 

      Styrofoam

  • 14. 
    Place a checkmark beside all of the insulators
    • A. 

      Iron

    • B. 

      Rubber

    • C. 

      Dry skin

    • D. 

      Copper

    • E. 

      Styrofoam

    • F. 

      Water

  • 15. 
    A toaster is plugged into a 110-volt outlet.  What is the resistance of the toaster if the current in the toaster is 10 A?  Write your answer to the nearest 10th.  _____Ohms
  • 16. 
    A hair dryer uses 1,000 W when it is plugged into a 110-volt outlet.  What is the current in the hair dryer?  Write your answer to the nearest 10th.  ______A
  • 17. 
    A lightbulb with a resistance of 10 ohms is connected to a battery.  If the current in the lightbulb is 0.10 A, what is the voltage of the battery?  Write your answer to the nearestr 10th.  ____ V
  • 18. 
    Which of these things does a circuit need to work properly?
    • A. 

      Bulb

    • B. 

      A power supply

    • C. 

      Crocodile clips

    • D. 

      Plastic

  • 19. 
    If a circuit is not complete
    • A. 

      It will not work

    • B. 

      It might work

    • C. 

      It will work

    • D. 

      The bulbs glow

  • 20. 
    What do cells (batteries) do in a circuit
    • A. 

      Nothing

    • B. 

      Light up

    • C. 

      Provide electricity

    • D. 

      Use up electricity

  • 21. 
    Will the following series circuit work?
    • A. 

      Yes, it is a complete circuit.

    • B. 

      No, it is not a complete circuit.

  • 22. 
    Will the following LED light light up?
    • A. 

      Yes, it is a complete circuit

    • B. 

      No, the switches are open

    • C. 

      No, the switches are closed

  • 23. 
    Why do circuits need to be complete?
    • A. 

      To make them round in shape

    • B. 

      So the wires are all the same size

    • C. 

      To make the bulbs go out

    • D. 

      So that the electricity can travel all the way around