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Physics - Heat & Thermo Question with Solution | TestHub

PhysicsHeat & ThermoHeat TransferMedium2 min

PhysicsMediumsingle choice

Consider two insulating sheets with thermal resistances $R_{1}$ and $R_{2}$ as shown in Figure 4.37. The temperature $θ$ is:

Options:

Answer:

Solution:

The heat current is the same: $\frac{θ _{1} - θ}{R _{1}} = \frac{θ - θ _{2}}{R _{2}}$ . Solving, $θ = \frac{θ _{1} R _{2} + θ _{2} R _{1}}{R _{1} + R _{2}}$ . D.

Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer

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