Utah Esthetician State Board Practice Exam 2025 - Free Esthetician Practice Questions and Study Guide

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Which electrical unit describes the flow of electrical charge?

Ohm

Amp

The term that describes the flow of electrical charge is the ampere, commonly referred to as an amp. An amp measures the quantity of electric charge that passes through a conductor in a circuit per second. In essence, it quantifies the flow rate of electrons, which is crucial in understanding how electricity moves through systems, including those used in esthetics.

The other units play different roles in electrical terminology: ohms measure resistance to the flow of current, volts measure the electrical potential or pressure that pushes electric charge through a circuit, and watts measure the power consumed by an electrical device, incorporating both voltage and current. Thus, when discussing the movement of electrical charge specifically, the amp is the correct unit to identify.

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Volt

Watt

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