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Superconductors

93.Three rods...

Question

93.Three rods of materials X and three rods of material Y are connected as shown. All are identical in length and cross sectional area. If end A is maintained at 60C, end E at 10C, thermal conductivity of X is 0.92 cal/sec-C and that of Y is 0.46 cal/sec-C then find the temperature of junctions B,C,D A 20C, 30C, 20C B 30C, 20C, 20C C 20C, 20C, 30C D 20C, 20C, 20C

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\int_{0}^{10 x} | sin x | d x =

2 \cdot^{20} C_{0} + 5 \cdot^{20} C_{1} + 8 \cdot^{20} C_{2} + 11 \cdot^{20} C_{3} + \dots + 62 \cdot^{20} C_{20}

60^{o} C

10^{o} C

800 W m^{- 1_{0}} C^{- 1}

400 W m^{- 1_{o}} C^{- 1}

X

Y

A

60^{\circ} C

E

10^{\circ} C

B, C, D

X

0.92

C G S

Y

0.46 C G S

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