railway RRB JE (CBT I + CBT II) Mock Test 2024 Sensors and Industrial Instrumentation Measurement of Temperature Rtd
Find the mean temperature rise of a coil when its resistance is 21 Ω and the surrounding temperature is 15°C. It has a resistance of 18 Ω when its mean temperature is 20°C and of 20 Ω when mean temperature is 50°C.
1
50°C
2
40°C
3
30°C
4
20°C