Thermal Physics> The resisntance of the wire in the platin...

The resisntance of the wire in the platinum resistence thermometer at ice point is 5 OHM and at the steam point is 5.25 OHM .When the thermometer is inserted in an unknown hot bathtub its rsistence is found to be 5.5 OHM the temperature of the hot bath tub is. (A)100oC(B)200oC(C )300oC(D)350oC

Faiz Anwar , 6 Years ago

Grade 12th pass

1 Answers

Arun

Last Activity: 6 Years ago

Dear Faiz

R0 = 5 ohm

R100 = 5.25 ohm

Rt = 5.5 ohm

alpha = R100 – R0 / (R0 * 100) = Rt – R0 / (R0 * t)

t = 5.5 – 5 / (5.25 – 5) * 100 = 200 degree C

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Thermal Physics> The resisntance of the wire in the platin...

The resisntance of the wire in the platinum resistence thermometer at ice point is 5 OHM and at the steam point is 5.25 OHM .When the thermometer is inserted in an unknown hot bathtub its rsistence is found to be 5.5 OHM the temperature of the hot bath tub is. (A)100oC(B)200oC(C )300oC(D)350oC

Faiz Anwar , 6 Years ago

Arun

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