Home
Class 12
PHYSICS
The length, a rod of aluminium is 1.0 m ...

The length, a rod of aluminium is 1.0 m and its area of cross-section is `5.0 cm^(2)`. Its one end is kept at `250^(@)C` and the at `50^(@)C`. How much heat will flow in the rod in 5.0 minutes . K for Al =`2.0xx10^(-1) k J s^(-1) m^(-1) .^(@)C^(-1)` and `J=4.18 cal^(-1)`

Text Solution

Verified by Experts

6000 Joule
Promotional Banner

Topper's Solved these Questions

  • HEAT TRANSFER & THERMAL EXPANSION

    MOTION|Exercise CONCEPT BASED QUESTIONS|10 Videos
  • HEAT TRANSFER & THERMAL EXPANSION

    MOTION|Exercise SPECIFIC PROBLEMS –|5 Videos
  • HEAT TRANSFER & THERMAL EXPANSION

    MOTION|Exercise Exercise - 3 Section-B|19 Videos
  • HEAT - 1

    MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos
  • HEAT-2

    MOTION|Exercise EXERCISE-4 (LEVEL-II)|30 Videos

Similar Questions

Explore conceptually related problems

The heat is flowing through a rod of length 50 cm and area of cross-section 5cm^(2) . Its ends are respectively at 25^(@)C and 125^(@)C . The coefficient of thermal conductivity of the material of the rod is 0.092 kcal // m × s ×.^(@) C . The temperature gradient in the rod is

The temperature of a rod of length 1 meter and area of cross-section 1 cm^(2) is increased from 0^(@)C to 100^(@)C . If the rod is ot allowed to increase in length, the force required will be: (alpha=10^(-6)//""^(@)C and Y=10^(11)N//m^(2))

The temperature of a wire of length 1 metre and area of cross-section 1 cm^(2) is increased from 0^(@)C to 100^(@)C . If the rod is not allowed to increased in length, the force required will be (alpha=10^(-5)//.^(@)C and Y =10^(11) N//m^(2))

The ends of copper rod of length 1m and area of cross section 1cm^(2) are maintained at 0^(@)C and 100^(@)C . At the centre of rod, there is a source of heat of 32W . The thermal conductivity of copper is 400W//mK

Heat is flowing through a rod of length 25.0 cm having cross-sectional area 8.80 cm^(2) . The coefficient of thermal conductivity for the material of the rod is K = 9.2 xx 10^(-2) kcal s^(-1) m^(-1) .^(@)C^(-1) . The Temperatures of the ends of the rod are 125^(@)C and 0^(@)C in the steady state. Calculate (i) temeprature gradient in the rod (ii) temperature of a point at a distance of 10.0 cm from the hot end and (iii) rate of flow of heat.

A metal rod has length of 100 cm and cross-section of 1.0 cm^(2) . By raising its temperture from 0^(@)C to 100^(@)C and holding it so that it is not permitted to expand or bend, the force developed is (Given Y=10^(12) dyne cm^(-2) and alpha=10^(-5) .^(@)C^(-1) )

The temperature of a wire length 1 m and area of cross-section 1 cm^(2) is increased from 0^(@)C to 100^(@)C . If the rod is not allowed to increase in length, then the force, required will be (alpha = 10^(-5) .^(@)C^(-1) and Y = 10^(11) Nm^(-2) )

A rod of 1m length and area of cross-section 1cm^(2) is connected across two heat reservoirs at temperature 100^(@)C and 0^(@)C as shown. The heat flow per second through the rod in steady state will be [Thermal conductivity of material of rod =0.09kilocalm^(-1)s^(-1)('^(@)C) ]

Find the thermal resistance of an aluminium rod of length 0.20 m and area of cross section 1xx10^(-4)m^(2) . The heat current is along the length of the rod. [Thermal conductivity of aluminium =200Wm^(-1)K^(-1) ]

MOTION-HEAT TRANSFER & THERMAL EXPANSION -QUESTIONS FOR PRACTICE
  1. Coolness is felt in summer when we enter in an airconditioned room. Th...

    Text Solution

    |

  2. If the absorption coefficient and reflection coefficient of a surface ...

    Text Solution

    |

  3. For a green coloured body :–

    Text Solution

    |

  4. On a black painted iron ball, white stripes are drawn. It is taken in ...

    Text Solution

    |

  5. During total solar eclipse Fraunhoffer's lines appear bright because -

    Text Solution

    |

  6. If yellow glass is heated enough and then taken in dark room, it will ...

    Text Solution

    |

  7. A body takes 5 minute to cool from 65^(@) C to 60^(@) C and 7 minute t...

    Text Solution

    |

  8. For water it's temperature 50^(@) C and room temperature is 30 ^(@) C,...

    Text Solution

    |

  9. For a liquid its temperature falls from 56 ""^(@) C to 50 ""^(@) C in...

    Text Solution

    |

  10. For a liquid , it is allowed to cool down whose temperature is 20^(@) ...

    Text Solution

    |

  11. For the liquids their heat current are same the ratio of their sp. , h...

    Text Solution

    |

  12. The earth receives at its surface radiation from the sun at the rate o...

    Text Solution

    |

  13. The maximum energy emitted by sun is at 4753 A^(0) when the temperatur...

    Text Solution

    |

  14. The length, a rod of aluminium is 1.0 m and its area of cross-section ...

    Text Solution

    |

  15. A slab consists of two parallel layers of copper and brass of the same...

    Text Solution

    |

  16. A circular hole is made on a copper disc. The diameter of this hole is...

    Text Solution

    |

  17. On heating a liquid of coefficient of cubical expansion gamma in a con...

    Text Solution

    |