Two rods of copper and brass (K C > K B ) of same length and area of cross-section are…

Physics · JEE Advanced · NTA Exams — Thermodynamics

Two rods of copper and brass (K_C > K_B ) of same length and area of cross-section are joined as shown. End A is kept at 100°C and end B at 0°C. The temperature at the junction:

1. will be more than 50°C
2. will be less than 50°C
3. will be 50°C
4. may be more or less than 50°C depending upon the size of rods

Answer

(A) will be more than 50°C

Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.

Related practice questions

• A human body has a surface area of approximately 1 m 2 . The normal body temperature is 10 K above the…
• A metal block is made from a mixture of 2.4 kg of aluminium 1.6 kg of brass and 0.8 kg of copper. The amount…
• A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500 °C and then placed on a large…
• A spherical black body with a radius of 12 cm radiates 450 W power at 500 K. If the radius is halved and the…
• A body cools from 50°C to 40°C in 5 min. The surrounding temperature is 20°C. In what further time (in min)…
• A hole is drilled in a copper sheet. The diameter of the hole is 4.24 cm at 27.0°C. What is the change in the…
• If a black body radiates 10 cal/s at 227°C, it will radiate at 727°C :
• Suppose the specific heat capacity of a substance is varying with temperature according to, s = A + BT 2…

More Thermodynamics questions · Browse all practice questions