Energy efficiency of Fuel cell is given by ΔGΔH=1−TΔSΔH. Energy efficiency of Galvanic cell is given by

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ΔGΔH=1−TΔSΔH

ΔGΔH=1+TΔSΔH

ΔHΔG=1+TΔSΔH

ΔGΔH=1−TΔSΔH

answer is A.

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Detailed Solution

ΔGΔH=1−TΔSΔH. Fuel cell is also a Galvanic cell.

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