Used for detecting the obstruction of a light beam, an electric eye is a type of photodetector in wide use. One of the electric eye’s primary uses is in the safety systems of garage doors. They’re also used as highway vehicle counters, alarm systems and more.According to the passage, the electric eye is

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Used for detecting the obstruction of a light beam, an electric eye is a type of photodetector in wide use. One of the electric eye’s primary uses is in the safety systems of garage doors. They’re also used as highway vehicle counters, alarm systems and more.<br>According to the passage, the electric eye is






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