Two diagonally opposite comers of a square made of a four thin rods of same material, same dimensions are at temperature $40^{\circ} C$ and $10^{\circ} C$. If only heat conduction takes place, then the temperature difference between other two corners will be .......... $^{\circ} C$
Two diagonally opposite comers of a square made of a four thin rods of same material, same dimensions are at temperature $40^{\circ} C$ and $10^{\circ} C$. If only heat conduction takes place, then the temperature difference between other two corners will be .......... $^{\circ} C$
- A
$0$
- B
$10$
- C
$25$
- D
$15$
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