(PLEASE HELP ME URGENTLY) The electrical resistances of the element in a platinum resistance thermometer at 100°C, 0°C and room temperature are 75.000W, 63.000W and 64.992W respectively. Use these data to determine the room temperature. (PLEASE HELP ME OUT URGENTLY)😓😓

Answer 1

Resistances are not in Watts but in Ohms.
assume linear
R = m T + b
75 = 100 m + b
64 = 0 m + b
so
b = 64
75 = 100 m + 64
m = 0.11
so
R = .11 T + 64
now put in 64.992 for R and solve for T

Answer 2

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