Home
Class 12
PHYSICS
Six identical cunducting rods are joined...


Six identical cunducting rods are joined as shown in Fig. Points A and D are maintained at temperatures `200^@C` and `20^@C` respectively. The temperature of junction B will be

A

`120^@C`

B

`100^@C`

C

`140^@C`

D

`80^@C`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 66

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos
  • NTA NEET SET 68

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

Five identical rods are joined as shown in figure. Point A and C are maintained at temperature 120° C and 20° C respectively. The temperature of junction B will be

Two identical rods are joined at their middle points The ends are maintained at constant temperatures as indicated Find the temperature of the junction .

Three rods AB, BC and BD having thermal conductivities in the ratio 1:2:3 and lengths in the ratio 2:1:1 are joined as shown in Fig. The ends A, C and D are at temperature T_1 , T_2 and T_3 respectively Find the temperature of the junction B. Assume steady state.

Three rods AB, BC and AC having thermal resistances of 10 units, 10 units and 20 units, respectively, are connected as shown in the figure. Ends A and C are maintained at constant temperatures of 100^@C and 0^@C , respectively. The rate at which the heat is crossing junction B is

In the figure ABC is a conducting rod whose lateral surfaces are insulated. The length of the section AB is one-half of that of BC, and the respective thermal conductivities of the two sections are as given in the figure. If the ends A and C are maintained at 0^(@)C and 70^(@)C respectively, the temperature of junction B in the steady state is

Three rods are made from the same material and having the same cross-sectional area and length have been joined as shown in the figure. The left end and right end are kept 0^@C and 100^@C , respectively . The temperature of the junction of three rods will be

Two identical conducting rods AB and CD are connected to a circular conducting ring at two diametrically opposite points B and C, the radius of the ring is equal to the length of rods AB and CD. The area of cross-section, thermal conductivity of the rod and ring are equal. points A and D are maintained at temperatures of 100^(@)C and 0^(@)C . temperature at poimt C will be

Two rods of same dimensions, but made of different materials are joined end to end to end with their free end being maintained at 100^(@)C and 0^(@)C respectively. The temperature of the junction is 70^(@)C . Then the temperature of the junction if the rods are inerchanged will be equal to T^(@)C Find T :

A rod CD of thermal resistance 10.0KW^(-1) is joined at the middle of an identical rod AB as shown in figure. The ends A, B and D are maintained at 200^(@)C , 100^(@)C and 125^(@)C respectively. The heat current in CD is P watt. The value of P is __________.

Three rods made of the same material and having the same cross-section have been joined as shown in the figure. Each rod is of the same length. The left and right ends are kept at 0^@C and 90^@C , respectively. The temperature of junction of the three rods will be (a) 45^@C (b) 60^@C (c) 30^@C (d) 20^@C .

NTA MOCK TESTS-NTA NEET SET 67-PHYSICS
  1. Which of the following graphs correctly represents the variation of g ...

    Text Solution

    |

  2. Consider that the Earth is revolving around the Sun in a circular orbi...

    Text Solution

    |

  3. Six identical cunducting rods are joined as shown in Fig. Points A and...

    Text Solution

    |

  4. when an ideal gas with pressure p and volume V is compressed Isotherma...

    Text Solution

    |

  5. A given quantity of a ideal gas is at pressure P and absolute tempera...

    Text Solution

    |

  6. We have a galvanometer of resistance 25 Omega. It is shunted by a 2.5 ...

    Text Solution

    |

  7. Two long parallel wires placed 0.08 m apart, carry currents 3 A and 5...

    Text Solution

    |

  8. There are four light-weight-rod sample A, B, C, D separately suspended...

    Text Solution

    |

  9. The one - dimensional motion of a point particle is shown in the figur...

    Text Solution

    |

  10. Distance between a frog and an insect on a horizontal plane is 10m. Fr...

    Text Solution

    |

  11. A ladder of length 5 m is placed against a smooth wall as shown in fig...

    Text Solution

    |

  12. The pulley arrangements of Figs. (a) and (b) are identical. The mass o...

    Text Solution

    |

  13. 8 kg of Cu^(66) undergones radioactive decay and after 15 minutes onl...

    Text Solution

    |

  14. In the beta^+ decay process , the following changes take place inside ...

    Text Solution

    |

  15. What is the spring constant for the combination of shown shown in figu...

    Text Solution

    |

  16. If a simple pendulum oscillates with an amplitude of 50 mm and time pe...

    Text Solution

    |

  17. The de-Brogile wavelength of a neutron at 927^(@)C is lamda. What will...

    Text Solution

    |

  18. The photoeletric threshold 4v is incident on the metal is v. When ligh...

    Text Solution

    |

  19. If the Young's modulus of the material is 3 times its modulus of rigid...

    Text Solution

    |

  20. The work done in blowing a soap bubble of 10 cm radius is (Surface ten...

    Text Solution

    |