Ground resistance should be designed such that
A. Grounding resistance should be always zero
B. Grounding resistance should be as low as possible
C. Grounding resistance should be as high as possible
D. All of the above
Answer:B
Ground resistance should be designed such that
A. Grounding resistance should be always zero B. Grounding resistance should be as low as possible C. Grounding resistance should be as high as possible D. All of the above
Explanation: When there is a fault in the circuit the earthing wire provides a path for the current to flow to ground.