In secondary batteries, the Watt-hour efficiency is always lower than the Ampere-hour efficiency primarily because:

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Physics · Batteries

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

The average discharge voltage is less than the average charging voltage.

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Answer 1

The total discharge time is less than the total charging time.

Answer 2

The discharge current is exactly equal to the charging current.

Answer 3

The average discharge voltage is less than the average charging voltage.

Answer 4

The discharge voltage is higher than the charging voltage.

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