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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. two ends of a magnet where the magnetic forces are strongest
  3. a device that contains a rotating electromagnet that changes electrical energy to mechanical energy
  4. the lines of force surrounding a permanent magnet or a moving charged particle
  5. a current-carrying coil of wire with many loops that acts as a magnet

5 True/False questions

  1. alternating currentcurrent in which electrons constantly change direction at a regular rate

          

  2. direct currentElectrical current that flows in only one direction through a wire

          

  3. magnetic domainsA group of atoms whose magnetic fields are aligned

          

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

          

  5. turbinea large wheel with blades that rotates and provides mechanical energy to a generator