A platinum resistance thermometer has a re-
sistance of 200 ohms.
? of platinum resistance = 0.00392 ohm/C
we know R2 = Ro(1+?*?t)
given R2 = 290.8, Ro = 200
hence ?t = (290.8 - 200)/200*0.00392 =115.82 C
hence the melting point of the substance = 115.82 celsius
A platinum resistance thermometer has a re- sistance of 200 ohms. A platinum resistance thermometer has...
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