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Resistivity

5 PYQ across 3 exams · 2015–2026 — the complete chronological timeline of how UPSC has tested this idea, oldest to newest.

CDS 2015 → NDA 2023 → GEO 2023
20151 PYQ
CDSQ45
A wire-based standard resistor uses manganin or constantan. It is because…
20211 PYQ
CDSQ103
We are given three copper wires of different lengths and different areas of cross-section. Which one of the following would have highest res…
20232 PYQs
GEOQ12
Which one of the following schematic graphs correctly represents qualitatively the variation of resistivity ρ with respect to temperature T …
NDAQ86
Which of the following statements are correct about the electrical resistance and resistivity of a wire ? 1. Both quantities depend on the a…
20261 PYQ
NDAQ72
Three wires each of length L, cross-sectional area A and resistivity ρ are connected as shown in the figure. These are to be replaced by ano…
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Electrical resistanceSemiconductors
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