1.

Four identical rods of same material are joined end to end to form a square. If the temperature difference between the ends of a diagonal is \[{{100}^{o}}C\], then the temperature difference between the ends of other diagonal will be [MP PET 1989; RPMT 2002]

A.            \[{{0}^{o}}C\]
B.            \[\frac{100}{l}{{\ }^{o}}C\]; where l is the length of each rod
C.            \[\frac{100}{2l}{{\ }^{o}}C\]
D.            \[{{100}^{o}}C\]
Answer» B.            \[\frac{100}{l}{{\ }^{o}}C\]; where l is the length of each rod


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