Four identical heat conductors are connected as shown in the figure. The temperature θ of the junction is [rods are insulated from the sides]

Question

Four identical heat conductors are connected as shown in the figure. The temperature θ of the junction is [rods are insulated from the sides], 30 ° C, 15 ° C, 60 ° C, 70 ° C

MARKS App · Accepted Answer

The thermal resistance of each rod is same as all are identical θ - 20 R + θ - 40 R + θ - 80 R + θ - 100 R = 0 4 θ - 240 = 0 4 θ = 240 θ = 60

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