A wire is made by attaching two segments together end to end. One segment is made of aluminium and t
Автор: Vivek bhaiya -IIT JEE
Загружено: 2026-01-24
Просмотров: 7
Описание:
A wire is made by attaching two segments together end to end. One segment is made of aluminium and the other is steel. The effective coefficient of linear expansion of the two segment wire is 19 × 10%(°C). The fraction length of aluminium is (linear coefficients of thermal expansion of aluminium and steel are 23 × 106/(°C) and 12 × 10%/(°C), respectively)
(1) 5/11
(3) 7/11
(2)
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