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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferHard2 min

PhysicsHardnumerical

The conductivity of a rod varies as $k = \frac{α}{T}$ . Its ends are at $T_{1} = 300$ K and $T_{2} = 600$ K and its lateral surface is insulated. Find the temperature at one quarter of the length from the 300 K end, in K.

Answer:

356.80

Solution:

$T (x) = T_{1} (\frac{T _{2}}{T _{1}})^{x / l} = 300 \times 2^{0.25} = 356.8$ K.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

⏱ 2m

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