Solved UPSC CDS/OTA Question
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Q · Current ElectricityMedium · 45s
Which material has almost constant resistivity over a range of temperatures? Option: 57
TopicCurrent Electricity
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Manganin is used for standard resistors due to its stable resistivity.
57
Final Answer: Option C — Manganin
57