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Detecting a secret telephone conversation?
Some people think that we can detect a secret phone conversation by separating the wires that come out of the telephone and by placing a pair of headphones along one of the telephone wires (see the figure attached, the wires are isolated). Will such a setup really work and if not why? I think it has something to do with induction...
Some people think that we can detect a secret phone conversation by separating the wires that come out of the telephone and by placing a pair of headphones along one of the telephone wires (see the figure attached, the wires are isolated). Will such a setup really work and if not why? I think it has something to do with induction...