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
When a negatively charged rod is brought near an uncharged metal sphere, the sphere will: Option: 3
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.
The negative charge repels free electrons in the sphere to the far side, leaving the near side positively charged.
3
Final Answer: Option C - Gain a positive charge by induction
3