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Do you know how to measure the earth resistance?
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Answer Posted / zahid ali
Dear Friend
the R = Pl/A is not used to measure earth resistance. is is
used to measure conductor resistance.
to measure earth resistance. We need an DC power source,
Ampere meter & volt meter & the formula R = V/I
The earth resistance testers are available in market, they
are been used by three leads on connected to the test
object & Current & Potentional probes are conneceted 20 &
10 meters away from object under test.
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