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Fuel Cells

2 PYQ across 2 exams · 2015–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 2015 → ESE 2026
20151 PYQ
CSEQ95
With reference to 'fuel cells' in which hydrogen-rich fuel and oxygen are used to generate electricity, consider the following statements : …
20261 PYQ
ESEQ13
A fuel cell in electric car generates electrical energy by combining…
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