A platinum resistance thermometer records 3 0 O... - JAMB Physics 1998 Question
A platinum resistance thermometer records 3.0(\Omega) at 0oC and 8.0(\Omega) at 100oC. If it records 6.0(\Omega) in a certain environment, The temperature of the medium is
A
80oC
B
60oC
C
50oC
D
30oC
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Correct Option: B
8(\Omega).....100oC
6(\Omega).....(\theta)oC
3(\Omega).....0oC
(\frac{6 - 3}{8 - 3}) = (\frac{\theta - 0}{100 - 0})
therefore, (\theta) = 60oC
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