Home
Class 11
PHYSICS
All the rods have same conductance 'K' a...

All the rods have same conductance `'K'` and same area of cross section '`A'`. If ends A and C are maintained at temperature `2T_(0)` and `T_(0)` respectively then which of the following is`//`are correct?

A

Rate of heat flow through ABC, AOC and ADC is same

B

Rate of heat flow through BO and OD is not same

C

Total Rate of flow from A to C `(3KAT_(0))/(2a)`

D

Temperature at junction B,O and D are same

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Four identical rods AB, CD, CF and DE are joined as shown in figure. The length, cross-sectional area and thermal conductivity of each rod are l, A and K respectively. The ends A, E and F are maintained at temperature T_(1) , T_(2) and T_(3) respectively. Assuming no loss of heat to the atmospere, find the temperature at B.

Six identical uniform conducting rods are fixed to make a regular hexagon as shown. The ends A and C are maintained at constant temperature 2T_(0) and 6 T_(0) . After the steady state is reached. Pick up the correct relation between temperatures T_(B),T_(B),T_(E) and T_(F) of ends B,D,E and F respectively.

Two identical rods AB and CD, each of length L are connected as shown in figure-4.22. Their cross-sectional area is A and their thermal conductivity is k. Ends A, C and D are maintained at temperatures T_(1),T_(2) and T_(3) respectively. Neglecting heat loss to the surroundings, find the temperature at B.

Five rods of same material and same cross-section are joined as shown. Lengths of rods ab, ad and bc are l, 2l and 3l respectively. Ends a and c are maintained at temperatures 200^(@)C and 0^(@)C respectivelly. For what length x of rod dc there will be no heat flow through rod bd ?

Three rods AB,BC and BD made of the same materical and having the same area of cross section have been joined as shown is the The ends A,C and D are held at temperatures 20^(@)C Cand 80^(@)C respectively If each rod is of same length then find the temperature at the junction B of the three rods .

Five rods of same material and same cross-section are joined as shown. Lengths of rods ab, ad and bc are l, 2l and 3l respectively. Ends a and c are maintained at temperatures 200^(@)C and 0^(@)C respectivelly. If x has the value calculated in the above question. Then temperature of junction b or d is

Three rods of identical cross-sectional area and made from the same metal form the sides of an isosceles triangle ABC right angled at B as shown in the figure. The points A and B are maintained at temperature T and (sqrt2)T respectively in the steady state. Assuming that only heat conduction takes place, temperature of point C will be

Three rods of identical cross-sectional area and made from the same metal form the sides of an isosceles Delta ABC right angled at B. The points A and B are maintained at temperetures T and sqrt(2)T , respectively in the steady state. Assuming that only heat conduction takes place, temperature of point C is

Three rods of identical cross-sectional area and made from the same metal form the sides of an insosceles triangle ABC right angled at B The pints A and B are maintained at temperatures T and sqrtT respectively in the steady state Assuming that only heat conduction takes place, temperature of point C is . .

Three rods of identical cross-sectional area and made from the same metal form the sides of an equilateral triangle ABC The points A and B are maintained at temperature sqrt3 T and T respectively In the steady state, the temperature of the point C is T_(C) Assuming that only heat conduction takes place, the value of T_(C)//T is equal to .

RESONANCE-PART TEST 2-Exercise
  1. For an ideal gas four processes are marked as 1,2,3 and 4 on P-V diagr...

    Text Solution

    |

  2. A circular hole is made in a plate. The plate is now heated. Which of ...

    Text Solution

    |

  3. At pressure P and absolute temperature T a mass M of an ideal gas fill...

    Text Solution

    |

  4. Two identical rooms in a perfectly insulated house are connected by an...

    Text Solution

    |

  5. The molar heat capacity of oxygen gas at STP is nearly 2.5 R. As the t...

    Text Solution

    |

  6. An ideal gas heat engine operates in a Carnot cycle between 27^(@)C an...

    Text Solution

    |

  7. Curve in the figure shows an adiabatic compression of an ideal gas fro...

    Text Solution

    |

  8. If there is no heat loss, the heat released by the condensation of x g...

    Text Solution

    |

  9. All the rods have same conductance 'K' and same area of cross section ...

    Text Solution

    |

  10. A conducting container containing an ideal gas (He) is kept in ice-wat...

    Text Solution

    |

  11. One litre of helium gas at a pressure 76 cm. Of Hg and temperature 27^...

    Text Solution

    |

  12. 4 gm of steam at 100^(@)C is added to 20 gm of water at 46^(@)C in a c...

    Text Solution

    |

  13. Two rods are joined between fixed supports as shown in the figure. Con...

    Text Solution

    |

  14. A partition divides a container having insulated walls into two compar...

    Text Solution

    |

  15. A uniform metallic object of circular shape which is free to expand in...

    Text Solution

    |

  16. If the piston is moved so as to reduce the volume of gas by half keepi...

    Text Solution

    |

  17. Two rods of same length and areas of cross section A1 and A2 have thei...

    Text Solution

    |

  18. A rod of length l and cross sectional area A has a variable conductivi...

    Text Solution

    |

  19. A Carnot engine takes 3xx10^6 cal of heat from a reservoir at 627^@C a...

    Text Solution

    |

  20. Statement 1: A gas has a unique value of specific heat. Statement 2:...

    Text Solution

    |