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JEE MAIN 2021
26-02-2021 S1
Question
The temperature $\theta$ at the junction of two insulating sheets, having thermal resistances $\mathrm{R}_1$ and $\mathrm{R}_2$ as well as top and bottom temperatures $\theta_1$ and $\theta_2$ (as shown in figure) is given by :
Question Image
Select the correct option:
A
$\frac{\theta_2 R_2-\theta_1 R_1}{R_2-R_1}$
B
$\frac{\theta_1 R_2-\theta_2 R_1}{R_2-R_1}$
C
$\frac{\theta_1 R_2+\theta_2 R_1}{R_1+R_2}$
D
$\frac{\theta_1 R_1+\theta_2 R_2}{R_1+R_2}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Solution Image
Question Tags
JEE Main
Physics
Easy
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