Which unit measures current according to Ohm's Law?

Study for the Virginia Wastewater Class 4 Test. Use flashcards and multiple choice questions, each question with hints and explanations. Prepare for success in your exam!

The unit that measures current according to Ohm's Law is the ampere, commonly referred to as amps. Ohm's Law states that the current flowing through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance of the conductor. This relationship is typically expressed by the formula I = V/R, where I represents current (in amps), V represents voltage (in volts), and R represents resistance (in ohms).

Understanding this fundamental relationship is crucial in electrical engineering and wastewater treatment, where these concepts apply to the management and monitoring of electrical systems. In practical terms, amps indicate how much electrical charge is flowing through a circuit, which is vital for ensuring that electrical equipment operates properly without overloading or causing damage.

The other units also serve distinct functions: volts measure electric potential, watts measure power (the rate of energy transfer), and ohms measure resistance in a circuit. Each plays a role in the broader context of electricity and its principles, but for current specifically, amps is the unit of measurement defined by Ohm's Law.

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