alleryYou charge a metal ball. Where does the excess charge sit?
AOn the surface
BAt the centre
CThrough the volume
DIn the nearby air
Answer & Solution
Correct answer: A. On the surface
1. The field inside is zero, so no flux leaves any inner volume.
2. By Gauss's law no net charge sits inside.
3. The excess charge is on the surface.
_Source: syllabus Physics Part I, Chapter 2, Electrostatic Potential and Capacitance._
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