Suppose you are trying to design a personal fan that you wear on your head and operates between your body temperature $\left(37^{\circ} \mathrm{C}\right)$ and room temperature $\left(22^{\circ} \mathrm{C}\right)$. What is the maximum possible efficiency of this device?
A) $170 \%$
B) $95 \%$
C) $54 \%$
D) $46 \%$
E) $5 \%$
F) Other (specify)

Question

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The Answer of Suppose you are trying to design a personal fan that you wear on your head and operates between your body temperature $\left(37^{\circ} \mathrm{C}\right)$ and room temperature $\left(22^{\circ} \mathrm{C}\right)$. What is the maximum possible efficiency of this device?
A) $170 \%$
B) $95 \%$
C) $54 \%$
D) $46 \%$
E) $5 \%$
F) Other (specify)

Suppose You Are Trying to Design a Personal Fan That (37∘C)\left(37^{\circ} \mathrm{C}\right)(37∘C)

Suppose You Are Trying to Design a Personal Fan That $\left(37^{\circ} \mathrm{C}\right)$