Physics · Electrochemical Cells
Why is the watt-hour efficiency of a secondary battery always less than its ampere-hour efficiency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Because discharge time is more than charge time
- 2Because potential difference during discharge is less than during charge✓
- 3Because energy loss during charging is negligible
- 4Because current during discharge is greater than during charge
Correct answer
Because potential difference during discharge is less than during charge
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