Batteries store chemical energy that can be transmitted as electrical energy through various components in a circuit. You can think of the circuit as the path the electrons (electricity) take. The path has to have no breaks in it and it much be a path made of a material that will allow the electrons to flow (e.g. most metals although some are better conductors than others).
Lemon battery
Monday, March 31, 2014
Lemon battery
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