Question

There as 4 x 10^23 atoms in a metal sphere. Of one electron is removed from 0.1% atom, what will be the charge on the sphere?

Answer 1

Here is the answer for your problem

Answer 2

Given :

Atoms in a metal sphere , $n=4\times 10^{23}$ .

To Find :

If one electron is removed from 0.1% atom, what will be the charge on the sphere .

Solution :

Total charge removed from the sphere is given by :

$q=-4\times 10^{23}\times \dfrac{0.1}{100}\times 1.6\times 10^{-19}\\\\q=-4\times 10^{20}\times 1.6\times 10^{-19}\\\\q=-64\ C$

Therefore , to maintain conservation of charge the same positive charge will stay in the sphere .

So , the charge on the sphere will be $+64\ C$ .

Hence , this is the required solution .

Learn More :

Electrostatics

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