Question

example of the Button cell​

Answer 1

Answer:

A watch battery or button cell is a small single cell battery shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high — like a button on a garment, hence the name.Button cells are used in:-

Calculator

Toy Phone

Watches etc

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Answer 2

Answer:

Zinc or lithium

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