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5 Written questions

5 Matching questions

  1. motor
  2. magnetic fields
  3. cell
  4. force field
  5. closed and open
  1. a a single unit used to generate or store electrical energy. Commonly called a battery.
  2. b an invisible field of energy surrounding an object such as a magnet or electromagnet
  3. c A motor works through the interaction of 2 ________________________.
  4. d As the armature turns the electrical circuit is _____________ and ____________________.
  5. e a machine for converting elecrical energy into mechanical energy

5 Multiple choice questions

  1. a magnetism developed by a current of electricity
  2. What part (matter) of the buzzer system is most directly involved in electrical energy?
  3. What can magnets be (such as an electromagnet)?
  4. the property, quality or state of being magnetic
  5. What part of the motor system is most directly involved in chemical energy?

5 True/False questions

  1. sound energyenergy from chemical reactions

          

  2. electromagneta magnetism developed by a current of electricity

          

  3. polea number of turns or loops of wire which produce an electromagnet effect

          

  4. armatureA ______________ works through the interaction of 2 magnetic fields.

          

  5. repelto 'drive back' or force away from another object

          

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