E105 Theory(1).pptx - E105 Linear Expansion \u201cGenerally matter expands when heated and contracts when cooled.\u201d Linear Expansion Consider a solid rod

E105 Theory(1).pptx - E105 Linear Expansion u201cGenerally...

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“Generally, matter expands when heated and contracts when cooled.” E105: Linear Expansion
Linear Expansion Consider a solid rod of original length L o at an initial temperature T o . L o T o L o T L L When the rod is heated to a temperature T , its length increases by an amount L , so that its final length is L = L o + L .
Factors Affecting Change in Length 1. Change in temperature T . If the change in temperature is not too large, the change in length L is directly proportional to the change in temperature T . L

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