Does a phone weigh more after charging it?

Can fully charged batteries replace our training weights for daily exercises?
25 April 2022
Presented byOtis Kingsman.
Production byOtis Kingsman.

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Battery levels

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Listener Tibor wanted to know the answer to the question, "Does potential energy have any mass? If I was to charge a phone battery, would it become heavier?" Dr Israel Temprano from the Univserity of Cambridge explains to Otis Kingsman about this battery baffler...

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