Quiz: The Ultimate Motion Sensor and Burglar Alarm Quiz
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The Ultimate Motion Sensor and Burglar Alarm Quiz
By: Staff
Image: refer to hsw

About This Quiz

Ever wonder how motion sensor lights and burglar alarms work? Take this quiz and learn how motion sensors and burglar alarms detect intruders.

5.0 of 10
Are motion sensors that detect infrared energy active or passive systems?
6.0 of 10
What is the range of sensitivity of infrared sensors?
7.0 of 10
Why does a motion sensor detect only rapid change, such as a person walking?
9.0 of 10
Why can't a motion-sensing burglar alarm detect a burglar outside your window staring at you?
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