Physics · Temperature Measurement
निम्नलिखित में से कौन सा तापमान मापने वाला उपकरण परिपथ में विद्युत वाहक बल (EMF) के सिद्धांत पर काम करता है?
- 1प्रतिरोध तापमान डिटेक्टर (Resistance temperature detectors)
- 2प्रकाशीय पायरोमीटर (Optical pyrometers)
- 3कांच में द्रव थर्मोमीटर (Liquid-in-glass thermometers)
- 4थर्मोकपल (Thermocouples)✓
सही उत्तर देखें
थर्मोकपल (Thermocouples)
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