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Earth batteries and different materials

  1. Aug 25, 2010 #1
    Would titanium and copper make a better earth battery than iron and copper?
    What will the voltage and current difference be between the two?
  2. jcsd
  3. Aug 25, 2010 #2


    User Avatar

    Staff: Mentor

    What's an "earth battery"? Have you seen the recent announcement about biodegradable batteries? Is that what you are asking abou?
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