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Open circuit

  1. Oct 1, 2005 #1
    Why the circuit must be closed to let the batteries send out electrons? If the circuit is opened, why do the batteries stop sending out electrons?
  2. jcsd
  3. Oct 1, 2005 #2


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    Staff: Mentor

    Because wires must be touching for electricity to flow from one to the other.... Is this a serious question?
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