These units are used to measure the flow of electric charge. Coulombs measure electrical charge while amperes measure the rate of flow of electrons. One ampere is equal to one coulomb per second. The ampere is the unit of electric current and the coulomb is the unit of electric charge.

## Coulombs

One coulomb is the charge of 6.24 x 10^18 electrons. The coulomb, named after French physicist Charles-Augustin de Coulomb,

## Amperes

Amperes are the SI unit of electric current and is named after André-Marie Ampère, one of the pioneers in studying electricity. One ampere is defined as the current flowing through two infinitely long, parallel wires that are placed one meter apart in a vacuum. The ampere is used to measure electric current in most electrical systems.

## The Difference between Coulomb and Ampere

The ampere is the SI unit of electric current and is one-tenth of a coulomb. One ampere is equal to the flow of one coulomb per second.

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