Question

How many electrons does it take to make 80 μc (microcoulombs) of charge?

Answer 1

The charge of a single electron is 1.602*10^ -19 C

80 µC = 8*10^ - 5 C

simple math

Total Charge / Charge of single electron = Number of electrons

(8*10^ -5 C / 1.602*10^ -19 C) = 4.99 * 10^14 electrons

Answer 2

The number of electron  that make up the charge of 80 μc is $4.99 * 10^14 electrons.$

• The electron can be regarded as  subatomic particle, that posses a  negative   charge.

• But for just single electron, the fundamental charge is $( 1.602*10^ -19 C )$\

• Therefore $80µC = 8*10^ - 5 C$

• We can calculate the electrons that made up the charge as the ratio of total charge to that of the single electron, we can expressed this as

• $= \frac{ 8*10^ -5 C }{ 1.602*10^ -19 }$

• $= 4.99 * 10^14 electrons$

Therefore, the number of electron that made up the charge is $4.99 * 10^14 electrons$

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