haleyannJ58021 haleyannJ58021

29-04-2024
Physics

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The lengths of two metallic rods at temperatures θ are LA and LB and their linear coefficient of expansion is αA and αB respectively. If the difference in their lengths is to remain constant at any temperature then?
A. LA/LB=αA/αB
B. LA/LB=αB/αA
C. αA=αB
D. αAαB=1

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