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Mini-Quiz: Sensors and Detectors

by Ron Kurtus (updated 27 April 2022)

Take this Mini-Quiz to check your understanding of the lesson material.

1. What animals detect electric signals?

Some sharks use it to detect prey

No animals can detect electricity

Squirrel are known to chew on electric wires

2. Why do we need scientific devices to detect things?

Schools require them to use in labs

They can detect and measure signals that we can't do naturally

To show we are better than animals

3. How are radio waves detected?

By the sound they make

They are only created and not detected

Through the use of a radio antenna

If you got all three correct, you are on your way to becoming a Champion in Physics. If you had problems, you had better look over the material again.

Sense the world around you

Resources and references

Ron Kurtus' Credentials


Handbook: The Complete Guide to Sensors

Physics Resources


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Top-rated books on Physics

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