MCQ
Which condition is true for an ideal Carnot engine which have 100% efficiency?
- ATemperature of sink source T1 = 0K.
- BTemperature of sink T2 = 0K.
- CTemperature of sink source T1 = 1.0K.
- DNone of the above.
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$(A)$ $\alpha+p=2 \beta$
$(B)$ $p+q-r=\beta$
$(C)$ $p-q+r=\alpha$
$(D)$ $p+q+r=\beta$

$(A)$ $\frac{\text { Energy }}{\text { charge } \times \text { current }}$
$(B)$ $\frac{\text { Force }}{\text { Length } \times \text { Time }}$
$(C)$ $\frac{\text { Energy }}{\text { Volume }}$
$(D)$ $\frac{\text { Power }}{\text { Area }}$