NIELIT O Level Exam

Which sensor type is best for detecting motion in a smart lighting system?

Which sensor type is best for detecting motion in a smart lighting system?

स्मार्ट लाइट सिस्टम में मोशन का पता लगाने के लिए कौन सा सेंसर प्रकार सबसे अच्छा है?

A. PIR (Passive Infrared) sensor पीआईआर (पैसिव इन्फ्रारेड) सेंसर

B. Accelerometer एक्सेलेरोमीटर

C. Magnetometer मैग्नेटोमीटर

D. Smoke sensor स्मोक सेंसर




Correct Answer is :

A. PIR (Passive Infrared) sensor



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