Physics · Thermal Properties of Matter
Two rods A and B of different materials but identical geometrical dimensions (length and area of cross-section) are welded together side-by-side in a parallel combination. Their thermal conductivities are K1 and K2. The equivalent thermal conductivity of the composite rod will be:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1K1 + K2
- 23(K1 + K2)2
- 3K1 + K22✓
- 42(K1 + K2)
Correct answer
K1 + K22
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