question_answer

The efficiency of a fuel cell is given by:                                                                                   [AIPMT (S) 2007]

A)  \[\frac{\Delta H}{\Delta G}\]     

B)                  \[\frac{\Delta G}{\Delta S}\]

C)  \[\frac{\Delta G}{\Delta H}\]     

D)                   \[\frac{\Delta S}{\Delta G}\]

Correct Answer: C

Solution :

Efficiency of fuel cell =