Physics, asked by kashifmuhammed8770, 10 hours ago

The coefficient of thermal conductivity of copper is 9 times that of steel. In composite bar shown in the fig. Thw twmpwrature at the junction??

Answers

Answered by krizzelopada
0

Answer:

heat current along the rod will be same

dt

dq

=

18

9kA(100−T)

=

6

kA(T−0)

T=75

o

C

Ans. 75°

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