In simple words, Heat is the Energy and the temperature is the driving force for transfer of heat.
According to the Law of conservation of Energy:
"The law of conservation of energy states that the amount of energy is neither created nor destroyed." But, one form of energy can be converted to another form.
The temperature difference at the two ends, is the cause of the transfer of the heat from the Hot end towards the cold end.
examples from day to life:
a) The heat energy is supplied to the surface of a vessel which uses the temperature difference and absorbs the energy introduced to raise the temperature of the vessel.
b) When an iron rod is heated at end, heat is generated at the tip closest to the flame. But the heat is transferred from the hot end to the cold end slowly due to the nature of the metal to distribute the energy towards the colder end and reach an equilibrium state.
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