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Light reading

057333447b9d9089180dba9bdabb529b-huge-fc891021-69a1-4a15-a935-213b1a21c0d8.jpgJust doing a bit of light reading can someone explain this to me please.
Parents
  • My two questions are surely not much current would flow due to the resistance of earth so VT would be fairly small using the equation? 


    and where does 100v come from? 


    thanks Jack
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  • My two questions are surely not much current would flow due to the resistance of earth so VT would be fairly small using the equation? 


    and where does 100v come from? 


    thanks Jack
Children
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