Home
Class 12
PHYSICS
In the figure-4.51 shown here, S is a so...

In the figure-4.51 shown here, S is a source of heat supplying energy at a constant rate `75 J s^(-1)` and S' is a sink maintained at `10^(@)C`. The two conductors joining S to S' are each 20 cm long, `1 cm^(2)` in cross-section and of thermal conductivity `385 W m^(-1) K^(-1) s^(-1).` Calculate the temperature of the point S.

Text Solution

Verified by Experts

The correct Answer is:
`[204.8^(@)C]`
Promotional Banner

Topper's Solved these Questions

  • HEAT TRANSFER

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Option Correct|20 Videos
  • HEAT AND THERMAL EXPANSION

    PHYSICS GALAXY - ASHISH ARORA|Exercise UNSOLVED NUMRICAL PROBLEMS FOR PREPARATION OF NSEP, INPhO & IPhO|82 Videos
  • Kinetic Theory of Gases and Gas Laws

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems for Preparation of NSEP, INPhO & IPhO|64 Videos

Similar Questions

Explore conceptually related problems

Convert 1 m s^(-1) into cm s^(-1) .

Two flat metal plates area placed with their surfaces in contact and their outer surfaces are maintained at temperatures of 100^(@)C and 0^(@)C respectively. If the thicknes of the plates are 2cm and 1cm and their thermal conductivities are 10cal m^(-1)K^(-1)s^(-1) and 20 cal m^(-1)K^(-1)s^(-1) respectively, find the temperature of the surfaces in contact.

At 407 K , the rate constant of a chemical reaction is 9.5xx10^(-5)s^(-1) and at 420 K , the rate constant is 1.9xx10^(-4)s^(-1) . Calculate the Arrhenius parameter of the reaction.

Convert 1 m s^(-2) into cm s^(-2) .

The conductivity of 0.35M solution of KCl at 300K is 0.0275 S cm^(-1) . Calculate molar conductivity

If the coefficient of conductivity of aluminium is 0.5 cal cm^(-1) s^(-1).^(@)C^(-1) , then the other to conductor 10 cal s^(-1) cm^(-2) in the steady state, the temperature gradient in aluminium must be

The rate constant of a reaction is 1.2 xx10^(-3) s^(-1) at 30^@C and 2.1xx10^(-3)s^(-1) at 40^@C . Calculate the energy of activation of the reaction.

At 407 K, the rate contant of a chemical reaction is 9.5xx10^(-5) s^(-1) and at 420 K the rate constant is 1.9xx10^(-4)s^(-1) . Calculate the frequency equation is

The conductivity of 0.1 mol L^(-1) KCl solution is 1.41 xx 10^(-3) S cm^(-1) . What is its molar conductivity (in S cm^(2) mol^(-1) ) ?

PHYSICS GALAXY - ASHISH ARORA-HEAT TRANSFER -Unsolved Numerical Problems for Preparation of NSEP,INPhO&IPhO
  1. Find the temperature distribution in a substance palced between two pa...

    Text Solution

    |

  2. Four spheres A, B, C and D of different metals but all same radius are...

    Text Solution

    |

  3. A closed cubical box made of perfectly insulating material has walls o...

    Text Solution

    |

  4. The solar energy received by the Earth persquare metre per minute is 8...

    Text Solution

    |

  5. Two solid spheres are heated to the same temperature allowed to cool u...

    Text Solution

    |

  6. A metal block with a heater in it is placed in a room at temperature 2...

    Text Solution

    |

  7. In a cylindrical metallic vessel some water is taken and is put on a b...

    Text Solution

    |

  8. A system S receives heat continuously from an electric heater of power...

    Text Solution

    |

  9. In winters ice forms on the surface of a lake. Due to abnormal expansi...

    Text Solution

    |

  10. Two spheres of the same material have radii 1m and 4m and temperature...

    Text Solution

    |

  11. The temperature of the tungsten filament of a 40 watt lamp is 1655^(@)...

    Text Solution

    |

  12. A cubical tank of water of volume 1m^(3) is kept at a constant tempera...

    Text Solution

    |

  13. Find the temperature distribution in the space between two coaxial cyl...

    Text Solution

    |

  14. A cube a = 3.0 cm on each side radiates energy at the rate of P = 20 J...

    Text Solution

    |

  15. Solve the foregoing problem for the case of two concentric spheres of ...

    Text Solution

    |

  16. A long tungsten heater wire is rated at 3 kWm^(-1) and is 5.0 xx 10^(-...

    Text Solution

    |

  17. A constant electric current flows along a uniform wire with cross-sect...

    Text Solution

    |

  18. An iron boiler with walls 1.25 cm thick contains water at atmospheric ...

    Text Solution

    |

  19. A thin wire of length l=50cm and area of cross-section S=3xx10^(-4)m^(...

    Text Solution

    |

  20. In the figure-4.51 shown here, S is a source of heat supplying energy ...

    Text Solution

    |