Cause
65. Charcoal and salt are used in earthing her
[RRB All India Technical Gr.-III Exam
(a) it increases the earth's resistivity
(b) it increases the soil's conductivity
(c) it reduces the leakage current
(d) it protects earthing electrode from corrosion
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Answer:
option a
it increases the earth resistivity
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(B) it increases the soils conductivity
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