Solved UPSC CDS/OTA Question
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Q · Units and DimensionsMedium · 45s
Which one of these does not belong to the base SI units?
TopicUnits and Dimensions
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Volt is a derived unit.
Final Answer: Option D — Volt