A platinum resistance thermometer reads 00 C when its resistance is 80Ω and 1000 C when its resistance is 90Ω.Find the temperature at the platinum scale at which the resistance is 86Ω

T=Rt-R0R100-R0×100; =86-8090-80×100; =60 C o

A platinum resistance thermometer reads 00 C when its resistance is 80Ω and 1000 C when its resistance is 90Ω.Find the temperature at the platinum scale at which the resistance is 86Ω

T=Rt-R0R100-R0×100; =86-8090-80×100; =60 C o

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A platinum resistance thermometer reads 0⁰C when its resistance is 80 $Ω$ and 100⁰ C when its resistance is 90 $Ω$ .Find the temperature at the platinum scale at which the resistance is 86 $Ω$

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30⁰ C

60⁰ C

20⁰ C

10⁰ C

answer is B.

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Detailed Solution

$T = (\frac{R_{t} - R_{0}}{R_{100} - R_{0}}) \times 100;$

$= (\frac{86 - 80}{90 - 80}) \times 100;$

$= 60 {}^{o}C$

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A platinum resistance thermometer reads 00 C when its resistance is 80Ω and 1000 C when its resistance is 90Ω.Find the temperature at the platinum scale at which the resistance is 86Ω

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A platinum resistance thermometer reads 0⁰C when its resistance is 80 $Ω$ and 100⁰ C when its resistance is 90 $Ω$ .Find the temperature at the platinum scale at which the resistance is 86 $Ω$