The size of the earth or ground wire is based on the______________?

Average resistance of human body is____________?

A. 500 ohms

B. 1000 ohms

C. 1500 ohms

D. 2000 ohms

Ground resistance should be designed such that_____________?

A. grounding resistance should be as low as possible

B. grounding resistance should be as high as possible

C. grounding resistance should be always zero

D. none of the above

When earth fault occurs______________?

A. voltage potential at the earth mat increases due to grounding

B. voltage potential at the earth mat decreases due to grounding

C. voltage potential at the earth mat remains zero irrespective of fault

D. none of the above

Moisture content in the soil __________ the earth soil resistance?

A. increase

B. decrease

C. does not affect

D. none of the above

When the 3-phase system is not grounded and if Single Line to Ground fault occurs, the voltage of the other two healthy phases will____________?

A. Increases

B. Decreases

C. Remains unaffected