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QusWhich sensor is used to detect hazardous gases in an IoT application? QusIoT एप्लिकेशन में खतरनाक गैसों का पता लगाने के लिए किस सेंसर का उपयोग किया जाता है?


A. Gas sensor
B. Proximity sensor
C. LDR sensor
D. Accelerometer


Solution
A. Gas sensor



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