# A metallic sphere of radius R is charged by assembling N electrons (electronic charge e) on it. The total work done is..

Grade:12th pass

## 1 Answers

Susmita
425 Points
3 years ago
It is only the potential V=(eN)/4$\pi \varepsilon$R
You can calculate it by integrating -E.dr from infinity to R.
E is electric field.
E=(eN)/4$\pi \varepsilon$r2

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