The string efficiency of an insulator can be increased by
A. correct grading of insulators of various capacitances
B. reducing the number of strings
C. increasing the number of strings in the insulator
D. none of the above.
Answer:A
The string efficiency of an insulator can be increased by
A. correct grading of insulators of various capacitances B. reducing the number of strings C. increasing the number of strings in the insulator D. none of the above.