Physics-
General
Easy
Question
A metal rod of length 2m has cross sectional areas 2A and A as shown in figure. The ends are maintained at temperatures 100°C and 70°C. The temperature at middle point C is
- 80°C
- 85°C
- 90°C
- 95°C
The correct answer is: 90°C
Let q be temperature middle point C and in series rate of heat flow is same Þ 
Þ 
Þ 
Þ 
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