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 · MagnetismDifficult · 45s
In a moving coil galvanometer, the deflection is proportional to: 68
TopicMagnetism
Question Typemultiple choice
DifficultyDifficult
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained — no skipped algebra.
Torque on coil τ ∝ NIAB ⇒ deflection ∝ current.
76
Final Answer: Option A — Current
71