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earth has the constant potential so we take it as reference.but in steo & touch voltage we use to calculate voltage of ground in 30 inch. How it is possible if no current can flow through ground?

  
Total Answers and Comments: 2 Last Update: August 30, 2007     Asked by: shital tikare 
  
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July 28, 2006 01:44:48   #1  
anil        

RE: earth has the constant potential so we take it as ...

as the earth has the least resistance path


 
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August 30, 2007 07:11:34   #2  
zakeer        

RE: earth has the constant potential so we take it as ...
we are taking earth as reference it means it's potential is not absolutely "ZERO" but approximatelly it is zero .and the potential is not equal allover the earth it varies from place to place so we measure at 30 m in to earth
 
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