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#1 2017-10-02 06:22:04
- hamidoon123
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- Registered: 2017-09-21
- Posts: 50,766
The mathematical formula of thermal conductivity is:
9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 9 Transfer of Heat
Question:
The mathematical formula of thermal conductivity is:
Option A):
k = 2Q/t x L/A(T₁ + T₂)
Option B):
k = Q/t x L/A(T₁ - T₂)
Option C):
k = Q/t x L/A(T₁ + T₂)
Option D):
k = t/Q x L/A(T₁ - T₂)
Correct Answer is Option B):
k = Q/t x L/A(T₁ - T₂)
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2017-10-02 06:22:04
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