MCQ Answer

A proximity sensor in IoT is used to detect:

A proximity sensor in IoT is used to detect:

IoT में एक प्रॉक्सिमिटी सेंसर का यूज़ यह पता लगाने के लिए किया जाता है:
Topic : Sensors, Actuators and Microcontrollers

A. Motion of objects ऑब्जेक्ट्स का मोशन

B. The presence or absence of nearby objects आस-पास के ऑब्जेक्ट्स के प्रजेंस या एब्सेंस

C. Magnetic field changes मैग्नेटिक फील्ड में चेंजेस

D. Atmospheric temperature एटमॉस्फेरिक टेंपेरेचर




Correct Answer is :

B. The presence or absence of nearby objects



Online Exam Quiz for One day Exam Online Typing Test CCC Online Test 2026 Best Computer Training Institute in Prayagraj (Allahabad) Best Java Training Institute in Prayagraj (Allahabad) Best Python Training Institute in Prayagraj (Allahabad) O Level Online Test in Hindi Best Website and Software Company in Allahabad