The resistance of a platinum-resistance thermometer is found to be 11.00 Ω ,when dipped in a triple point cell. When it is dipped in a bath the resistance is found to be 28.887 W ? Find the temperature of bath in °C on platinum scale.

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answer is 444.17.

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Detailed Solution

In terms of triple point of water TK=273.16RRtrKSo, TK=273.16×28.88711.00=717.32KNow TC=TK−273.15 TC=717.32−273.15=444.17∘C

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