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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Chapter 8 - Thermodynamics > Three Carnot engines operate in series between a heat source at a temperature T1 and a heat sink at temperature T4 (see figure). There are two other reservoirs at temperature T2 and T3 , as shown, with T1 > T2 > T3 > T4. The three engines are equally efficient if

Three Carnot engines operate in series between a heat source at a temperature T1 and a heat sink at temperature T4 (see figure). There are two other reservoirs at temperature T2 and T3 , as shown, with T1 > T2 > T3 > T4. The three engines are equally efficient if

as shown Three Carnot engines operate in series between a heat source at a temperature T1 and a heat sink at temperature T4 (see figure). There are two other reservoirs at temperature T2 and T3 with T1 > T2 > T3 > T4. The three engines are equally efficient if