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- Subject
- Earthing or Groundingelectrical-engineering-mcqs › earthing-or-grounding
- Published
- 19 Dec 2018
- Last updated
- 28 May 2026
Explanation
The average electrical resistance of a human body is approximately 1000 ohms. This value can vary depending on factors such as skin moisture and contact area, but 1000 ohms is generally accepted as the standard average.
More Earthing or Grounding MCQs
Practice related questions from the same subject.
- 1.What determines the appropriate size of the earth or grounding conductor?
- 2.What is the primary purpose of providing grounding in electrical systems?
- 3.Which factors influence the resistance of soil?
- 4.What is the primary purpose of earthing or grounding in electrical systems?
- 5.Why must Extra High Voltage (EHV) equipment be isolated and grounded before maintenance work?
- 6.In an ungrounded 3-phase system, what happens to the voltage of the two unaffected phases during a single line-to-ground fault?
- 7.How does the moisture level in soil influence the soil's electrical resistance?
- 8.What happens to the voltage potential at the earth mat when an earth fault takes place?
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