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SOLVED: Q1. Ultrasonic sensor measures which quantity? a. time b. distance c. speed d. all of the above Q3. What type of wave is used by Ultrasonic Distance Sensor for its measurement?
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Source Radio Wave Wireless Analog Signal Sensor ultrasonic sensor distance 10 meter on m.alibaba.com
PDF] Radio Wave Sensor System Which Enables Determination of Protective Separation Distance | Semantic Scholar
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