MCQOPTIONS
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MCQOPTIONS
| 1. |
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 |
| Answer» B. voltage potential at the earth mat decreases due to grounding | |