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QusWhich type of sensor is used to measure the electrical conductivity of water in IoT systems? QusIoT सिस्टम में पानी की इलेक्ट्रिकल कंडक्टिविटी को मापने के लिए किस प्रकार के सेंसर का यूज़ किया जाता है?


A. Gas sensor
B. TDS (Total Dissolved Solids) sensor
C. Pressure sensor
D. Temperature sensor


Solution
B. TDS (Total Dissolved Solids) sensor



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