Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ - decoded step-by-step.
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Q · MagnetismPYQ · 45s
If a bar magnet is cut into two equal halves along its length: 24
TopicMagnetism
Question Typemultiple choice
DifficultyPYQ
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
The complete worked solution.
Every step explained - no skipped algebra.
Pole strength is proportional to cross-sectional area; halving length does not change cross-section, so pole strength remains same but magnetic moment halves.
32
Final Answer: Option B - Pole strength is halved
28