Electrical Engineering · Power Systems
Why is alternating current (AC) more widely used for electrical power transmission and distribution compared to direct current (DC)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because AC voltages can be easily stepped up or down using transformers for economical transmission✓
- 2Because DC lines require larger conductors for the same power capacity
- 3Because AC transmission eliminates the skin effect entirely
- 4Because AC equipment has lower operational losses than DC equipment
Correct answer
Because AC voltages can be easily stepped up or down using transformers for economical transmission
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