A platinum resistance thermometer records 3.0(Omega) at 0oC and 8.0(Omega) at 100oC. If it records…

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
Correct Answer: Option B
Explanation

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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