Earth resistance in a typical domestic wiring is

A. Less than 5 Ohms

B. Around 100 Ohms

C. Very Large

D. Around 1000 Ohms

Answer with Explanation: 

A. Less than 5 Ohms

Explanation: 

More Earthing MCQs with Full Explanation and Important Notes

1.  The neutral of the power system may be connected to the earth

2. Grounding of substation provides

3. Earthing is necessary to give protection against

4. Standard wire gauge used for earthing lead should not be thinner than

5. What should be the value of earthing resistance for large power stations?

6. The earthing wire should have

7. The size of the earth wire is determined by

8. The minimum length of pipe electrode used for earthing should not be less than

9. A ground wire is used to

10. Earth resistance in a typical domestic wiring is

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