a
$\mathrm{T}=$ Temperature in centigrade scale
$\mathrm{K}=$ temperature in absolute scale
$\mathrm{T}=\mathrm{k}-273 \rightarrow 2 \mathrm{T}=2 \mathrm{K}-273 \times 2$
so final temperature in caswe $I=2 K$
So final temper IN case $=2 \mathrm{K}-273$
Hence more in case $I$