Find answer to thermal physics question-6

Dear student,
Q6.
(a)   R'1  = R1  (1 + αθ)(b) R'2  = R2  (1 + αθ)(c) R'2   R'1  = (R2   R1 ) (1 + αθ)(d)  A' = (π R22  π R12 ) (1 + 2 αθ) = A(1 +  2αθ)

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