Three rods made of the same material and having the same cross se… - Vidyadip

MCQ

Three rods made of the same material and having the same cross section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at $0^{\circ} \mathrm{C}$ and $90^{\circ} \mathrm{C}$ respectively. The temperature of the junction of the three rods will be

A
$45^{\circ} \mathrm{C}$
✓
$60^{\circ} \mathrm{C}$
C
$30^{\circ} \mathrm{C}$
D
$20^{\circ} \mathrm{C}$

✓

Answer

Correct option: B.

$60^{\circ} \mathrm{C}$

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