Which term describes the flow of electric charge through a circuit, measured in amperes?

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Prepare for the WJEC Level 1 and 2 Engineering Exam. Explore multiple choice questions, flashcards, and detailed explanations to enhance your understanding. Get exam-ready today!

Multiple Choice

Which term describes the flow of electric charge through a circuit, measured in amperes?

Explanation:
The flow of electric charge through a circuit is current, and it is measured in amperes. This term describes how much charge passes a point each second, so it directly captures the rate of flow. Resistance, on the other hand, describes how much a component opposes that flow and is measured in ohms. Input and output are general terms that don’t specify a physical quantity for electrical circuits. In formulas, current equals the amount of charge transferred per unit time, and one ampere is one coulomb per second.

The flow of electric charge through a circuit is current, and it is measured in amperes. This term describes how much charge passes a point each second, so it directly captures the rate of flow. Resistance, on the other hand, describes how much a component opposes that flow and is measured in ohms. Input and output are general terms that don’t specify a physical quantity for electrical circuits. In formulas, current equals the amount of charge transferred per unit time, and one ampere is one coulomb per second.

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