What is heat transfer ? Give its types.

1.	What is heat transfer ? Give its types.
Answer» Solution :Heat is a type of energy. Heat is energy transfer from one system to another or from one part of a system to another part, arising DUE to temperature difference. THUS, motion of heat in substance is called heat transfer. There are 3 distinet modes of heat transfer : conduction, convection and radiation. (1) Conduction : Heat transfer in solids. Convection : Heat transfer in FLUIDS. Rasiation : No MEDIUM is required for heat transfer.

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