Heat Transfer by Conduction Results Due to the Transfer of Free

Multiple Choice

Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer cannot take place

A) Between two bodies in physical contact with each other
B) Between two bodies not in physical contact with each other
C) From one part of a body to the another part of the same body
D) Both 'b' & 'c'