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The thermal conductivity of a rod depend...

The thermal conductivity of a rod depends on

A

of oils decreases with rise of temperature.

B

of alloys increases with rise of temperature.

C

of water increases with rise of temperature.

D

all of above are correct.

Text Solution

Verified by Experts

The correct Answer is:
D

all of above are correct.
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Knowledge Check

  • The thermal conductivity of a plate depends on

    A
    the temperature difference between the two sides
    B
    the thickness of the plate
    C
    the area of the plate
    D
    none of these above
  • The coefficient of thermal conductivity of a metal depends on

    A
    Temperature difference between the two sides
    B
    Thickness of the metal plate
    C
    Area of the plane
    D
    None of the above
  • Thermmal conductivity of a metal rod depends on .

    A
    area of cross section
    B
    temperature gradient
    C
    time of flow of heat
    D
    all the above
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    Four rods identical in all respect other than their thermal conductivity are joined to form a square loop.The thermal conductivity of rods are shown in the figure.The ratio of temperatures of point A and B (in steady state) is (k)/(35) . Find the value of k. Other two ends are maintained at 100^(@)C and 20^(@)C

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