Answer / rajesh

confirmly 0v.

Answer / ghchitaliya

up to 5 V.
The specially developed back fill compounds are required to
be used for improving the conductivity of the soil. This
will reduce the resistance of the earth. One can refer
follwing link for better knowhow.
http://reconsindia.in/reconselectrode.html

Answer / velmurugan

ideal 0volt

Answer / tejswita tawade

it is upto 5v.

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