Q. 104.7( 4 Votes )

Should a thermometer bulb have large heat capacity or small heat capacity?

Answer :

Thermometer is a device to measure temperature of a body which consists of heat and specific heat of the body.

If it has lower heat capacity, it may expand substantially at high temperatures which lead to false readings.

Hence thermometer bulbs should have large heat capacity.

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The mechanical equivalent of heat

HC Verma - Concepts of Physics Part 2