Out of the following the correct statement is: P (1) \( w \) is a s...

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Out of the following the correct statement is:
P
(1) \( w \) is a state function
W
(2) \( \Delta \mathrm{E}=q+w \) for every thermodynamic system at rest in the absence of external field
(3) \( q=0 \) for every cyclic process
(4) \( \Delta \mathrm{E}=0 \) for every cyclic process
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