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10.5 how do we use technology?

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  • Every electric motor has at least one .................
    Electromagnet
  • Wind turbines can generate ...................
    electricity
  • ............are resources that will never runout.
    Renewable resources
  • What model example shown in the picture ?
    Electromagnet model
  • Energy stations use generators to produce ..................
    electricity
  • moving a magnet and a wire near each other produces............
    an electric current
  • One example of renewable resources is ........................
    water, sun, wind
  • How electricity is generated in a hydroelectric dam?
    the mechanical energy of falling water can be converted to electrical energy.
  • Coal is a renewable resource. True/False
    False- its non- renewable resource.
  • A device that converts mechanical energy to electrical energy is called a .............
    generator.
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