Physics · Current Electricity
Which of the following statements regarding Direct Current (DC) and Alternating Current (AC) is incorrect?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The current produced by a standard chemical battery is DC.
- 2The current that flows out from standard domestic wall outlets is AC.
- 3Electric motors working on DC are inherently stronger and more efficient than those using AC in all practical industrial applications.✓
- 4AC changes its direction periodically, whereas DC flows continuously in one direction.
Correct answer
Electric motors working on DC are inherently stronger and more efficient than those using AC in all practical industrial applications.
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