Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
Solve it the standard way once — then learn the shortcut.
Q · Current ElectricityMedium · 45s
In parallel combination, the reciprocal of the total resistance is equal to: Option: 41
TopicCurrent Electricity
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.
1/Req=1/R₁+1/R₂+...1/Req=1/R₁+1/R₂+...
41
Final Answer: Option C — Sum of reciprocals of individual resistances
41