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An ampere (A) is the unit of electric current in the International System of Units (SI). It represents the flow of one coulomb of charge per second.
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Coulomb: The SI unit of electric charge, representing approximately \(6.242 \times 10^{18}\) electrons.
Ohm's Law: $$V = IR$$ where $V$ is voltage, $I$ is current, and $R$ is resistance.
Electric Current: The rate at which electric charge flows through a conductor, measured in amperes.