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The efficiency of the Carnot engine working between 150°C and 50°C is__________?

/ Physics Mcqs / By
The efficiency of the Carnot engine working between 150°C and 50°C is__________?

A. 50%
B. 100%
C. 23.6%
D. 29.4%

Explain: formula
n% = (1- T2/T1) ×100%
T1= 273+150= 423K
T2:273+50= 323K
n% = (1- 323/423)×100%
n% = 0.236×100% = 23.6% Correct