MCQOPTIONS
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MCQOPTIONS
| 1. |
A cylindrical rod of aluminum is of length 20 cm, and radius 2 cm. The two ends are maintained at temperatures of \[0{}^\circ C\] and \[50{}^\circ C\] [the coefficient of thermal conductivity is \[\frac{0.5\,cal}{cm\times sec{{\times }^{o}}C}\] ]Then the thermal resistance of the rod in \[\frac{cal}{sec{{\times }^{o}}C}\] |
| A. | 318 |
| B. | 31.8 |
| C. | 3.18 |
| D. | 0.318 |
| Answer» E. | |