The law of conservation of energy prohibits the yield of more energy than the input.
The second law provides that it is not possible to transfer heat from a colder body to a hotter body without help from an external agency.
According to the second law of thermodynamics, it is impossible for ____________.
a) heat energy to flow from a colder body to a hotter body
b) an ideal heat engine to have the efficiency of 99%
c) an ideal heat engine to have non-zero power.
d) a physical process to yield more energy than what is put in
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