Why is the 'point charge' model useful for spheres?

  1. it makes the field uniform
  2. it removes all charges
  3. it changes the sphere's radius
  4. it allows Coulomb's law to be used for charged spheres
Answer

D) it allows Coulomb's law to be used for charged spheres

Simplifies calculation. SLO P-11-E-05 · Knowledge

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