Question: Pick a common device in everyday life that uses part of the electromagnetic spectrum. Name the device and which part of the EM spectrum it

Pick a common device in everyday life that uses part of the electromagnetic spectrum. Name the device and which part of the EM spectrum it uses. List the exact frequencies if you can.

The commercial use of the EM spectrum (both power and frequency) is highly regulated by the government. This prevents interference between different appliances so everything can work without disruption. Imagine if your cell phone interfered with radio and tv broadcasts. It would be very bad.

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