Solved UPSC CDS/OTA Question
A solved UPSC CDS/OTA PYQ — decoded step-by-step.
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Q · MagnetismPYQ · 45s
The relation between magnetic permeability μ, susceptibility χ, and μ₀ is: 189
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.
Relative permeability μr = 1+χ ⇒ μ = μ₀(1+χ).
197
Final Answer: Option A — μ = μ₀(1+χ)
192