Physics · Heat Transfer
A cylinder of radius R/2 is surrounded by a cylindrical shell of inner radius R/2 and outer radius R. The thermal conductivity of the material of the inner cylinder is K and that of the outer cylinder is 2K. Assuming no loss of heat, the effective thermal conductivity of the system for heat flowing along the length of the cylinder is:
- 13K
- 27K/4✓
- 32K/3
- 45K/4
Correct answer
7K/4
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Heat Transfer?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Heat Transfer