class 10 science. Name the device that help to maintain a potential differences across a conductor.
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A battery consists of a group of cells to produce a potential difference. A cell is a single unit that makes a battery. A group of cells makes a battery.
Both battery as well as a cell help in maintaining a potential difference across a conductor. This makes the current flow. They are used as a portable source of power in almost all electric devices like flashlights, mobile phones, and electric cars.
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