Physics · Power Transmission
Which of the following AC transmission systems is generally considered the most economical for long-distance bulk power transmission, considering copper/conductor volume efficiency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1AC 1-phase 2-wire system
- 2AC 3-phase 3-wire system✓
- 3AC 2-phase 3-wire system
- 4AC 2-phase 4-wire system
Correct answer
AC 3-phase 3-wire system
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