Which one of the following statement is correct?
A. Any energy transfer that does not involve temperature difference in some way is not heat
B. Any energy transfer always requires a temperature difference
C. On heating, the length and volume of the object remain exactly the same
D. Whenever there is a temperature difference, heat is the only way of energy transfer
Answer: Option A
This Question Belongs to Physics GK Chapter Wise >> Heat And Thermodynamics
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