MCQOPTIONS
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MCQOPTIONS
| 1. |
A ring consisting of two parts ADB and ACB of same conductivity k carries an amount of heat H. The ADB part is now replaced with another metal keeping the temperatures \[{{T}_{1}}\] and \[{{T}_{2}}\] constant. The heat carried increases to 2H. What should be the conductivity of the new ADB part? Given \[\frac{ACB}{ADB}=3\]. |
| A. | \[\frac{7}{3}k\] |
| B. | \[2k\] |
| C. | \[\frac{5}{2}k\] |
| D. | \[3k\] |
| Answer» B. \[2k\] | |