CBSE Class 11-science Answered
<div>A cylinder is made up of materials having thermal conductivity K. If it is coated upto thrice of its radius of a material of thermal conductivity k, then the equivalent thermal conductivity will be</div>
<div>1. (K + k)/ 2</div>
<div>2. 2Kk/ (K + k)</div>
<div>3. (K + 3k)/4</div>
<div>4. (K + 8k)/9</div>
Asked by Mamali Nanda | 18 Jul, 2016, 09:04: PM
Expert Answer
Answered by Romal Bhansali | 19 Jul, 2016, 06:14: PM
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