Question

What is the amount of charge possessed by 1 kg of electron ? Write in detail.

Answer 1

Charge of an electron: -1.602 * 10^-19 C

Mass of an electron: 9.11 * 10^-31 kg

Electrons in 1kg: 1/(9.11 * 10^-31) = 1.10 * 10^30.

Charge of 1kg of electrons: (1.10 * 10^30)(-1.602 * 10^-19) = -1.76 * 10^11 C
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Answer 2

Given that,

1 kg of electron.

To find,

What is the amount of charge possessed by 1 kg of electron?

Solution,

We know that,

Mass of an electron, $m=9.1\times 10^{-31}\ kg$

No. of electrons,

$n=\dfrac{1}{9.1\times 10^{-31}}\\\\n=1.09\times 10^{30}$

Charge on 1 kg of electrons, q = ne

$q=1.09\times 10^{30}\times 1.6\times 10^{-19}\\\\q=1.74\times 10^{11}\ C$

So, the amount of charge possessed by 1 kg of an electron is $1.74\times 10^{11}\ C$.