Two rods, one of aluminum and the other made of steel, having initial length 
and 
are connected together to form a single rod of length 
. The coefficients of linear expansion for aluminum and steel are 
and 
respectively. If the length of each rod increases by the same amount when their temperature are raised by 
, then find the ratio 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Given 
or 
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