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1. |
How does grading neutralize the potential distribution across the units of the suspension insulators? |
A. | By forming capacitances to cancel the charging current from link pins |
B. | By forming capacitances with link pin to cancel the charging current from them |
C. | By increasing the capacitance of lower insulator units |
D. | By decreasing the capacitance of lower insulator units |
Answer» B. By forming capacitances with link pin to cancel the charging current from them | |