Nate Core Practice Test

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Prepare for the Nate Core Test with flashcards and multiple choice questions. Each question includes hints and explanations to ensure you are well-prepared. Boost your confidence and enhance your readiness for the exam!

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Which unit is used to measure electric current?

Kilowatt
Volt
Ohm
Ampere

The correct answer is: Ampere

The unit used to measure electric current is the Ampere. The Ampere, often abbreviated as "Amp," quantifies the flow of electric charge in a circuit. One Ampere is defined as one coulomb of charge passing through a conductor in one second. This measurement is fundamental in understanding how much electrical current is flowing in circuits, which is crucial for various applications in electronics and electrical engineering. In contrast, the other units mentioned serve different purposes in electrical contexts. Kilowatts measure power (the rate at which energy is used or produced), volts measure electrical potential or voltage (the force that pushes electric charge through a circuit), and ohms measure resistance (the opposition to the flow of electric current). Each of these units plays a distinct role in describing electrical phenomena, but only the Ampere directly measures electric current.