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The resistance of the platinum wire of a platinum resistance thermometer at the ice point is 5 Omega and at steam point ins 5.23 Omega When the thermomenter is inserted in a hot bath, the resistance of the platinum wire is 5.795Omega. Calculate the temperature of the bath. |
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Answer» SOLUTION :`R_(0) = 5 OMEGA , R_(100) = 5. 23 Omega and R_(t) = 5.795Omega` Now, `t = ( R _(t) - R _(0))/( R _(100) - R _(0)) xx 100` `= ( 5. 795 -5)/(5.23 -5) xx 10 0` ` = ( 0.795)/( 0.23) xx 10 0= 345.65^(@)C` |
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