Smartphones get hot when you charge them because they're working hard to change energy from the charger into the battery. Imagine your phone is like a toy that needs to store power, and it gets warm while doing that, just like you might feel warm after running around a lot.
Examples
- Your phone gets warm when it's charging because it's working hard inside.
- You notice your phone feels like a hot potato after an hour of charging.
- Your smartphone gets warm even faster if you're watching videos while charging.
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See also
- How Does a Smartphone Recognize Your Face?
- Why Do We Use Passwords for Security?
- Why Do We Use ‘Barcodes’ on Products and How Do They Work?
- How does the latest generation of brain-computer interfaces function?
- How Did the Internet Begin?