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If heat Q flows in time 't' through some metal, then rate of flow...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 9 Transfer of Heat

Question:
If heat Q flows in time 't' through some metal, then rate of flow of heat is defined as:

Option A):
Flow of heat = ∆Q/∆t
Option B):
Flow of heat = Q/h
Option C):
Flow of heat = 2Qt
Option D):
Flow of heat = Q

Correct Answer is Option A):
Flow of heat = ∆Q/∆t