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Q. |
The voltage of a 2 wire de system is raised from 200 V to 400 V. For the same power transmitted over the same distance and for the same power loss, the saving in conductor copper will be |
A. | 75% |
B. | 60% |
C. | 25% |
D. | 40% |
E. | 50% |
Answer» A. 75% |
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