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Explain why a bimetallic strip is used in a rotary thermometer instead of a strip with only one kind of metal.?
Wiki User
∙ 14y ago
A bimetallic strip is made from two different metals that expand at a different rates. Two strips of these metals are bonded together, and when the temperature changes, one side expands more than the other, forcing the bimetallic strip to curl (the longer side would be on the outside of the curl). So if one end is clamped, the other moves. This motion is used to turn the dial of the thermometer.
Wiki User
∙ 14y ago
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God knows. if u al don know that .
How does the rotary thermometer work?
God knows. if u al don know that .
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