Magnets and Electricity
4 years ago
dwatson
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10 QuestionsShow answers
  • Question 1
    300 seconds
    Q. Produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.
    answer choices
    generator
    electric motor
    electromagnet
  • Question 2
    300 seconds
    Q. Used at powerplants to produces elecrical energy for our homes.
    answer choices
    generator
    electric motor
    electromagnet
  • Question 3
    300 seconds
    Q. Contains coils of wire that are stationary and rotating magnets that are moved by turbines.
    answer choices
    generator
    electric motor
    electromagnet
  • Question 4
    300 seconds
    Q. Huge wheels that rotate when pushed by water, wind or steam.
    answer choices
    turbines
    leads
    magnets
  • Question 5
    300 seconds
    Q. Transforms mechanical energy to electrical energy. 
    answer choices
    generator
    electric motor
    electromagnet
  • Question 6
    300 seconds
    Q. Changes electrical energy into mechanical energy
    answer choices
    generator
    electric motor
    electromagnet
  • Question 7
    300 seconds
    Q. Contains an electromagnet that rotates between the poles of a magnet.
    answer choices
    generator
    electric motor
    electromagnet
  • Question 8
    300 seconds
    Q. The coil of the electromagnet must be connected to a __________ or another source of electricity.
    answer choices
    battery
    wire
    magnet
  • Question 9
    300 seconds
    Q. What is this device?
    answer choices
    electromagnet
    generator
    electric motor
  • Question 10
    300 seconds
    Q. The battery in this machine is our ____________ of electrical energy.
    answer choices
    conductor
    source
    resistor (device)
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