Question

Calculate the number of electron in 100
coulomb of charge

Answer 1

q = ne
100 = n × 1.6 ×10^-19

Answer 2

Given: Charge - Q = 100C

To Find: number of electrons in 100 coulomb of charge - n =?

Solution:

Formula used:

• Quantization of Charge - charge of any molecule is a discrete value multiple of the charge of a single electron.
• Q = ne (e = charge of a single electron) e = 1.6 × 10⁻¹⁹C

Applying the above Formula:

Q = ne

n = Q/e

n = $\frac{100C}{1.6 * 10^{-19} C}$

n = 62.5 × 10¹⁹ electrons

n = 6.25 × 10²⁰ electrons

Hence,  the number of electrons in 100 coulomb of charge = 6.25 × 10²⁰ electrons.