Ans s sjsjsdhd sjsjsj

Dear student,

W i t h t e m p e r a t u r e r i s e (s a m e 20 \circ C f o r b o t h), a l u m i n i u m s c a l e a n d c o p p e r r o d b o t h e x p a n d . H e n c e l e n g t h o f c o p p e r r o d w . . r . t . a l u m i n i u m s c a l e o r a p p a r e n t l e n g t h o f c o p p e r r o d a f t e r r i s e i n t e m p e r a t u r e . L_{a p p} = L_{c u}' - L_{a l u m i n i u m}' = [L_{0} (1 + α_{C u} Δ θ) - L_{0} (1 + α_{a l} Δ θ)] L_{a p p} = L_{0} (α_{C u} - α_{a l}) Δ θ = 1.5 (1.7 \times 10^{- 5} - 2.5 \times 10^{- 15}) \times 20

Please check the values of the coefficients that you have provided.
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