Which unit measures electric current?

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Prepare for the TEAS 7 Scientific Reasoning Test. Study with interactive questions and detailed explanations, designed to boost your confidence and help you succeed on the exam.

Multiple Choice

Which unit measures electric current?

Explanation:
Electric current is the rate at which electric charge flows past a point in a circuit. The unit that expresses this rate in the SI system is the ampere, abbreviated A. One ampere means one coulomb of charge passes a point every second. In practical terms, when you measure current with an ammeter, you’re reading how many amperes flow through the circuit. The other units shown correspond to different concepts: Kelvin measures temperature, mole measures amount of substance, and liter measures volume.

Electric current is the rate at which electric charge flows past a point in a circuit. The unit that expresses this rate in the SI system is the ampere, abbreviated A. One ampere means one coulomb of charge passes a point every second. In practical terms, when you measure current with an ammeter, you’re reading how many amperes flow through the circuit. The other units shown correspond to different concepts: Kelvin measures temperature, mole measures amount of substance, and liter measures volume.

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