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QusWhat kind of control system uses IoT to adjust street lighting based on ambient light levels? Qusएम्बिएंट लाइट लेवल के आधार पर स्ट्रीट लाइटिंग को एडजस्ट करने के लिए किस प्रकार का कण्ट्रोल सिस्टम IoT का यूज़ करती है?


A. Proportional control system
B. Closed-loop feedback system
C. Open-loop control system
D. Predictive control system


Solution
B. Closed-loop feedback system



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