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A bimetallic strip is usable as a thermometer because of ____. A) Its heat capacity B) Its color C) Its electrical resistance D) Its density
A bimetallic strip is usable as a thermometer because of ____. A) Its heat capacity B) Its color C) Its electrical resistance D) Its density
Final answer:A bimetallic strip can be used as a thermometer because of the different thermal expansion coefficients between its two metal components. When subjected totemperaturechanges, this difference causes the strip to coil or uncoil, a motion that is then related to temperature.Explanation:A bimetallic strip is usable as athermometerbecause of the differential expansion and contraction of its two bonded materials upon being subjected to changes in temperature. In a bimetallic thermometer, two different metals, such as brass and steel, form a two-layered strip. When this strip is heated or cooled, one of the metals expands or contracts more than the other, resulting in the strip coiling or uncoiling. This motion is then linked to a reading on a calibrated scale, thus providing a temperature reading.The principle underlying the operation of a bimetallic strip thermometer is known as thermal expansion. To be specific, it leverages the fact that different substances have different thermal expansioncoefficients.To note, the unique properties of bimetallic strips also find applications in other devices, such as automatic temperature control switches in older or analogue thermostats.Learn more about Bimetallic Strip here:brainly.com/question/32373880#SPJ11...