STANDARDPhysics-Thermal Properties of Matter
STANDARD Physics Thermal Conductivity MCQ Question
Type: MCQ-conceptual-Medium-Class 11
In the previous question the equivalent thermal conductivity of the compound bar is
A
K₁K₂ / (K₁ + K₂)
B
2K₁K₂ / (K₁ + K₂)
C
K₁ / (K₁ + K₂)
D
K₂ / (K₁ + K₂)
Correct Answer
Option B
Detailed Explanation
The equivalent thermal conductivity for two materials in series is given by the formula 2K₁K₂ / (K₁ + K₂), derived from the steady-state heat transfer equations.
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