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The fundamental reason for having refrigerator is to keep food cold.Cold temperature help food stay fresh longer. The basic idea behind refrigeration is to slow down the activity of bacteria so that it takes longer for the bacteria to spoil the food.
asked Jun 24 in Electrical by Akhila99
edited Jun 25 by Akhila99 | 17 views

1 Answer

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The refrigeration work on second law of thermodynamics.

Second law of thermodynamics state that " heat cannot flow from colder body to hotter body without any work".

Or

"Heat can flow from high temperature to lower temperature but it cannot flow from lower temperature to higher temperature without any external work".

answered Jun 30 by anonymous