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				| 1. | One end of a metal rod of length 1.0 m and area of cross section \[100c{{m}^{2}}\] is maintained at \[{{100}^{o}}C.\]If the other end of the rod is maintained at \[{{0}^{o}}C\], the quantity of heat transmitted through the rod per minute is (Coefficient of thermal conductivity of material of rod =100W/m-K) [EAMCET (Engg.) 2000] | 
| A. | \[3\times {{10}^{3}}J\] | 
| B. | \[6\times {{10}^{3}}J\] | 
| C. | \[90{}^\circ \] | 
| D. | \[12\times {{10}^{3}}J\] | 
| Answer» C. \[90{}^\circ \] | |