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Text File  |  1992-09-02  |  211b  |  7 lines
  1. An iron bar with coils or wire around it,
  2. which acts as a magnet when an electric
  3. current flows through the wire.
  4. Electromagnets have many uses: in switches,
  5. electric bells, solenoids, and metal-lifting
  6. cranes.
  7.