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Semiconductors

10 PYQ across 5 exams · 1984–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CSE 1984 → CDS 2016 → … → ESE 2026
19841 PYQ
CSEQ39
Chips used in integrated circuits in computers are made of…
19931 PYQ
CSEQ29
The Government of India has totally banned the export of 'Burnt Coal' (Jhama), because it contains recoverable amount of a metal/element use…
20161 PYQ
CDSQ18
In a bipolar junction transistor…
20172 PYQs
CDSQ8
When a piece of pure silicon is doped with aluminium, then…
CDSQ10
Which one of the following is not a semiconductor?…
20211 PYQ
NDAQ54
LED (a semi-conductor device) is an abbreviation that stands for…
20233 PYQs
GEOQ12
Which one of the following schematic graphs correctly represents qualitatively the variation of resistivity ρ with respect to temperature T …
GEOQ13
Which one of the following semiconductors possesses the highest value of band gap Eg?…
NDAQ59
Which one of the following graphs correctly represents the current (I) - voltage (V) variation for a rectangular piece of a semiconductor wa…
20261 PYQ
ESEQ90
Which state is home to India's first Silicon Carbide (SiC) semiconductor manufacturing plant ?…
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ResistivityOdisha
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