\(\frac{300}{ T }=0.75\)
\(1-\frac{300}{ T }=0\)
\(\frac{300}{ T }=0.75\)
\(T =400 \;K\)
If efficiency increased by \(\,100 \%\) then new efficiency \(\Rightarrow n ^{\prime}=50 \%\)
\(1-\frac{300}{T^{\prime}}=0.5\)
\(T^{\prime}=600 \,K\)
Increase in temp \(=600-400\)
\(=200\, K \text { or } 200^{\circ} C\)
\(T =400\, K\)
If efficiency increased by \(100 \%\,\) then new efficiency \(\Rightarrow n ^{\prime}=50 \%\)
\(1-\frac{300}{T^{\prime}}=0.5\)
\(T^{\prime}=600\,K\)
Increase in temp \(=600-400\)
\(=200 K \text { or } 200\,^{\circ} C\)