Physics, asked by tapaskrghosh7, 9 months ago

why do we need a Battery in some devices

Answers

Answered by Anonymous

6

Answer:

These batteries—which predominantly use similar lithium-ion technology—are used in smartphones and hand-held devices because they are rechargeable and their form factor is better suited for low-profile packages.

Answered by gottipatti

0

Essentials. A battery is a device that stores chemical energy and converts it to electrical energy. The chemical reactions in a battery involve the flow of electrons from one material (electrode) to another, through an external circuit. The flow of electrons provides an electric current that can be used to do work.

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