Chapter F7: Electricity and Electrical Safety

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Across
  1. 2. Unit measuring electric energy used per second.
  2. 5. Device converting alternating current (AC) to direct current (DC).
  3. 8. Material that conducts electricity (e.g., metals).
  4. 9. Unit measuring the strength of an electric current.
  5. 14. Negative electrode of an electrotherapy device (black).
  6. 15. Distance between successive peaks of electromagnetic waves.
Down
  1. 1. Constant, direct current producing chemical changes in tissues.
  2. 3. Device converting direct current (DC) to alternating current (AC).
  3. 4. Unit measuring the resistance of an electric current.
  4. 6. The movement of electrons along a conductor.
  5. 7. General term for currents used in facial/scalp treatments.
  6. 10. Positive electrode of an electrotherapy device (red).
  7. 11. A nonconductor that does not transmit electricity (e.g., rubber).
  8. 12. Unit measuring pressure/force of electric current.
  9. 13. Safety connection carrying current away during a short circuit.