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What is the value of charge of a body that carries 20 excess electrons ?

Sagot :

Each electron has a negative charge of 1.6*10^-19 coulomb
So the 20 electrons will have a charge of = 20 *-1.6*10^-19 = -32 *10^-19 coulomb.

Answer:

Charge, [tex]q=3.2\times 10^{-18}\ Coulombs[/tex]

Explanation:

We have to find the charge of a body that carries 20 extra electrons. We know that change on an electron is equal to :

[tex]e=1.6\times 10^{-19}\ Coulombs[/tex]

Using conservation of charge i.e. q = n e

n is number of electrons. Here, n = 20........(1)

Charge of a body that carries 20 excess electrons can be calculated equation (1).

So, charge [tex]q=20\times 1.6\times 10^{-19}\ Coulombs[/tex]

[tex]q=3.2\times 10^{-18}\ Coulombs[/tex]

Hence, this is the required solution.

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