Electrical Circuits
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13 QuestionsShow answers
  • Question 1
    30 seconds
    Q.

    Why is electrical wiring usually made from copper?

    answer choices

    Because copper is shiny

    Because copper conducts electricity

    Because copper is not magnetic

    Because copper insulate electricity

  • Question 2
    30 seconds
    Q.

    Which of the following materials is an electrical conductor?

    answer choices

    Plastic spoon

    Silver-colored plastic spoon

    copper spoon

    wooden spoon

  • Question 3
    30 seconds
    Q.

    A material that does NOT let electricity pass through it is called ...

    answer choices

    An electrical conductor

    An electrical insulator

    An electrical source

    An electric appliance

  • Question 4
    30 seconds
    Q.

    What is a circuit that only has ONE path for electricity to flow?

    answer choices

    series circuit

    closed circuit

    parallel circuit

    light bulb

  • Question 5
    30 seconds
    Q.

    What is a circuit with several paths for electricity to flow?

    answer choices

    conductor

    series circuit

    parallel circuit

    open circuit

  • Question 6
    60 seconds
    Q. An incomplete circuit is shown.
    To complete the circuit, a wire should be placed from —
    answer choices
    Point D to Point C
    Point B to Point C
    Point A to Point D
    Point B to Point D
  • Question 7
    60 seconds
    Q. This circuit has a battery, buzzer, and switch.
    When the switch is closed the buzzer will sound because -
    answer choices
    the switch gives energy to the battery
    the buzzer is made of special plastic
    the wires are cooled by the surrounding air
    electricity can flow in a complete path
  • Question 8
    30 seconds
    Q. Which of the following can work as an energy source?
    answer choices
    Battery
    Light bulb
    Wire
    All of them
  • Question 9
    30 seconds
    Q. Which bulbs will light?
    answer choices
    1 and 2
    2 and 3
    3 and 4
    4 and 2
  • Question 10
    30 seconds
    Q. Choose the correct sentence.
    answer choices
    This circuit will work because it is an open circuit.
    This circuit will work because it is a closed circuit.
    This circuit will NOT work because it is an open circuit.
    This circuit will NOT work because it is a closed circuit.
  • Question 11
    30 seconds
    Q. Does this diagram represent a series or parallel circuit?
    answer choices
    series circuit
    parallel circuit
  • Question 12
    45 seconds
    Q. What will happen if one light bulb is removed from this circuit?
    answer choices
    The other bulbs will go out.
    The other bulbs will stay on
    The other bulbs will get dimmer.
    The battery will become stronger.
  • Question 13
    30 seconds
    Q.

    Why is electrical wiring usually are covered with a layer of plastic?

    answer choices

    To make it look pretty

    To help electricity flow along the wire

    To make it safe

    To add more energy

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