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AP EAMCET201724 Apr 2017Morning ShiftPhysicsThermal Properties of MatterActual

Three conducting rods AB , BC and BD made of same material and same cross section are arranged as shown in the figure. Temperatures at the points A, D and C are maintained at 20^ C , 90^ C and 0^ C respectively. The ratio of lengths of BD to BC when there is no heat flow in A B , is

Options

  1. A2 9
  2. B7 2
  3. C2 7
  4. D9 2

Correct answer

B. 7 2

Step-by-step solution

No solution. Refer to answer key.

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