Recent content by Sad Moon

  1. S

    Does the Earth surface act as a common node for grounded systems?

    Thanks mgb_phys! I am a new member so sorry for not sticking to rules and conventions! thanks a lot again
  2. S

    Does the Earth surface act as a common node for grounded systems?

    Hi I need an explanation of the Earth grounding in electric courses I can't appreciate the role of an Earth grounding does the Earth surface really act as a common node for all Earth grounded systems? Can we then send a signal using one wire only?? thanks in advance?
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