Which unit typically represents current?

Gain the confidence you need for the SQA National 5 Physics Exam with our comprehensive quiz. Test yourself with multiple choice questions that include hints and explanations. Be prepared and succeed in your exam!

The correct unit for current is the Ampere. Current measures the flow of electric charge in a circuit and is expressed in units of Amperes (A). One Ampere is defined as the flow of one coulomb of charge per second. This measurement is fundamental in understanding electricity and electrical circuits, as it helps quantify how much charge is moving through a conductor at any given moment.

Volts, on the other hand, represent electric potential difference or voltage, which indicates how much potential energy is available to push electric charges through a circuit. Ohms measure resistance, which is the opposition to the flow of current in a circuit, while Joules quantify energy. Each of these units plays a distinct role in electrical concepts, but when it comes to describing the current itself, the Ampere is the standard unit used.

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