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Jlenok [28]
4 years ago
12

Why do some devices use batteries and other devices use a wall outlet for power?

Physics
1 answer:
Alina [70]4 years ago
3 0

Some devices are used while moving around from place to place ... like in the car, on a bicycle, running, or walking the dog. If not for batteries, those devices would need very long extension cords.

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