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1. |
For a string of five suspension insulators is to be fitted with a grading ring. If the pin to earth capacitances are equal to C, then the value of line to pin capacitance of first and last capacitance(from top) is |
A. | 0.25C, 4C |
B. | 0.667C, 3C |
C. | 1.5C, 1.5C |
D. | 4C,0.25 |
Answer» B. 0.667C, 3C | |