THE 1820s PHYSICS PUZZLE

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Across
  1. 4. – The law relating current, electromotive force, and resistance, first published in 1827
  2. 5. – Flow of electric charge along a wire
  3. 9. – Author of Réflexions sur la puissance motrice du feu (1824), a foundational work on heat engines
  4. 11. – Self‑taught English electrician who built the first practical electromagnet in 1825
  5. 13. – French physicist whose electrodynamic theory earned him the title “Newton of electricity”
  6. 14. – English polymath who died in 1829 and first demonstrated the interference of light
Down
  1. 1. – Instrument devised by Ampère to measure electric current precisely
  2. 2. – The type of wire coil, invented by Ampère, that behaves like a bar magnet when a current passes
  3. 3. – The theory of heat abandoned during the 1820s, which Carnot still used in his analysis
  4. 6. – Soft iron shape used by Sturgeon to concentrate the magnetic effect
  5. 7. – Optical effect confirmed by the famous “spot” experiment, proving the wave theory of light
  6. 8. – Late French physicist who championed the wave theory of light and invented a remarkable lighthouse lens
  7. 10. – Danish professor who discovered that an electric current deflects a compass needle
  8. 12. – The property that Ørsted proved was produced by an electric current