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Electricity

  • Electric cell— A device used to maintain constant potential difference between conductors
  • Primary cell: Chemical energy directly converted to electrical energy
  • Secondary cell: Electric energy stored in the form of chemical energy, which on demand converts into electric energy
  • Simple voltaic cell:

Copper rod acts as +ve terminal and zinc acts as –ve terminal.

Electron flows externally from zinc to copper and current flows from copper to …

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