

MCQOPTIONS
Saved Bookmarks
1. |
To increase the visual critical voltage of cporona for an overhead line, one solid phase-conductor is replaced by a bundle of four smaller conductors per phase, having an aggregate cross-sectional area equal to that of the solid conductor. If the radius of the solid conductor is 40 mm, then the radius of each of the bundle conductors would be _______ mm |
A. | 2.0 mm. |
B. | 0.020 mm. |
C. | 0.20 mm. |
D. | 20 mm. |
Answer» E. | |