electricity

about the discovery of electricity

natural phenomena Were not beleived to be of the same origin.

• lightning storms
• static charge when rubbing amber
• as painful shcok deliverd by electric fish

Discoveries / Inventions

• current (Ampere)
  • electrical flow, resistance, ohm's law
• 1750 lightning rod (Benjamin Franklin)
• 1762 Electrophorus
  • try it at home
  • Darlington learns about Electrophorus
• 1799 battery ("voltaic pilce")Alessandro Volta
  • shows that electricity can be produced chemically
  • Glavani, Volta, try it at home

Material

• difference between batteries and capacitors