Question

A Carnot engine working between 300K and 600K has work output of 800 J per cycle. What is amount of heat energy supplied to the engine from source per cycle

• A. 1800 J/cycle
• B. 1000 J/cycle
• C. 2000 J/cycle
• D. 1600 J/cycle

Answer 1

The correct option is D

1600 J/cycle

$\eta =\frac{T_1-T_2}{T_1}=\frac{W}{Q}\Rightarrow Q=\left(\frac{T_1}{T_1-T_2}\right)$W

= $\frac{600}{600-300}\times 800=1600J$.