What is the basic electrical unit that measures a material's resistance to electric flow?

Prepare for the AWWA ABC Water Distribution Grades 1 and 2 exam with flashcards and multiple choice questions. Get hints and detailed explanations for each question. Achieve success on your certification journey today!

The basic electrical unit that measures a material's resistance to electric flow is the ohm. In electrical terminology, ohms quantify how much a material resists the flow of electric current. According to Ohm's Law, the relationship between voltage, current, and resistance is described by the formula: Voltage (V) = Current (I) x Resistance (R). Thus, the higher the resistance (measured in ohms), the less current will flow for a given voltage. Understanding ohms is crucial in various applications, including those within water distribution systems where electrical components might be used, such as pumps and sensors, to ensure efficient operation.

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