Q1042
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?
A.
K1k2/k1+k2
B.
2k1k2/k1+k2
AnswerC.
K1+k2/k1k2
D.
None
Answer: Option B
Solution
Answer: Option B
Solution:
Equivalent K will be 2k1k2/k1+k2.