A platinum resistance thermometer has a resistance 4\(\Om...
A platinum resistance thermometer has a resistance 4Ω at 0°C and 10Ω at 100°C. Assuming the resistance changes uniformly with temperature. Calculate the resistance of the thermometer when the temperature is 45°C.
14.0Ω
6.7Ω
3.2Ω
2.7Ω
Correct answer is B
R−410−4=45−0100−0
R = 670100=6.7Ω