A ring consisting of two parts ADB and ACB of same conductivity K carries an amount of…
Physics · JEE Advanced · NTA Exams — Thermodynamics
A ring consisting of two parts ADB and ACB of same conductivity K carries an amount of heat H. The ADB part is now replaced with another metal keeping the temperatures T1 and T2 constant. The heat carried increases to 2 H. What should be the conductivity of the new ADB part ? Given \(\frac{\mathrm{ACB}}{\mathrm{ADB}}=3\)
:
: - \(\frac{7}{3} \mathrm{~K}\)
- 2 K
- \(\frac{5}{2} \mathrm{~K}\)
- 3 K
Answer
(A) 7 3 ~K
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