Write a note on : button cell
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Explanation:
A watch battery or button cell is a small single cell battery shaped as a squat cylinder typically 5 to 20 mm in diameter and 1 to 6 mm high—like a button on a garment, hence the name. Button cells are used to power small portable electronics devices such as wrist watches, pocket calculators, and hearing aids.
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Answered by
2
Explanation:
A watch battery or button cell is a small single cell battery shaped as a squat cylinder typically 5 to 20 mm in diameter and 1 to 6 mm high—like a button on a garment, hence the name. Button cells are used to power small portable electronics devices such as wrist watches, pocket calculators, and hearing aids.
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