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A sphere is charged with electrons to −9 × 10−6 C. The value given is the total charge of all the electrons present in the sphere. To calculate the number of electrons in the sphere, we divide the the total charge with the charge of one electron.

N = 9 × 10−6 C / 1.6 × 10−19 C
N = 5.6 x 10^13
Cricetus

The number of electrons make up the charge will be "5.6 × 10¹³ C". To understand the calculation, check below.

Electron charge

According to the question,

Charge in sphere (Total charge)= 9 × 10⁻⁶ C

Elemental charge (Charge of 1 electron)= 1.6 × 10⁻¹⁹ C

We know the formula,

Number of electrons:

→ N = [tex]\frac{Total \ charge}{Charge \ of \ 1 \ electron}[/tex]

By substituting the values,

      = [tex]\frac{9\times 10^{-6}}{1.6\times 10^{-19}}[/tex]

      = 5.6 × 10¹³

Thus the response above is correct.

Find out more information about electrons charge here:

https://brainly.com/question/18102056

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