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5 Written questions

5 Multiple choice questions

  1. The process by which moving a wire through a magnetic field produces an electric current
  2. a large wheel with blades that rotates and provides mechanical energy to a generator
  3. a device used to measure electrical current.
  4. current in which electrons constantly change direction at a regular rate
  5. temporary magnet made by passing an electric current through a wire coiled around an iron bar

5 True/False questions

  1. solenoida large wheel with blades that rotates and provides mechanical energy to a generator

          

  2. magnetic fieldthe lines of force surrounding a permanent magnet or a moving charged particle

          

  3. magnetic polestwo ends of a magnet where the magnetic forces are strongest

          

  4. electric motora device that contains a rotating electromagnet that changes electrical energy to mechanical energy

          

  5. commutatorattached to the armature in a motor; changes the direction of the electric current