Physics · Heat Transfer
A hollow cylinder has length L, inner radius r1, outer radius r2, and thermal conductivity K. The thermal resistance of the cylinder for radial conduction is given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12πKLln(r2/r1)
- 22πKLln(r1/r2)
- 3ln(r2/r1)2πKL✓
- 4ln(r1/r2)2πKL
Correct answer
ln(r2/r1)2πKL
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