A composite metal bar of uniform section is made up of length 25 cm of

1.	A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at 100∘ C and the aluminium end at 0∘ C . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If KCa = 2KAl , and KAl = 3KNi , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively
Answer» A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at $100^{\circ} C$ and the aluminium end at $0^{\circ} C$ . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If $K_{C a} = 2 K_{A l}$ , and $K_{A l} = 3 K_{N i}$ , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively

A composite metal bar of uniform section is made up of length 25 cm of copper, 10 cm of nickel and 15 cm of aluminium. Each part being in perfect thermal contact with the adjoining part. The copper end of the composite rod is maintained at 100∘ C and the aluminium end at 0∘ C . The whole rod is covered with belt so that there is no heat loss occurs at the sides. If KCa = 2KAl , and KAl = 3KNi , then what will be the temperatures of Cu - Ni and Ni- Al junctions respectively

Answer»

A composite metal bar of uniform section is made

up of length 25 cm of copper, 10 cm of nickel and

15 cm of aluminium. Each part being in perfect

thermal contact with the adjoining part. The

copper end of the composite rod is maintained at

$100^{\circ} C$ and the aluminium end at $0^{\circ} C$ . The whole

rod is covered with belt so that there is no heat

loss occurs at the sides. If $K_{C a} = 2 K_{A l}$ , and

$K_{A l} = 3 K_{N i}$ , then what will be the temperatures of

Cu - Ni and Ni- Al junctions respectively