What is the unit used to measure resistance?

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Study for the Mechatronics End-of-Pathway (EOP) Test. Explore flashcards and multiple-choice questions, each with hints and explanations. Prepare confidently for your exam!

Multiple Choice

What is the unit used to measure resistance?

Explanation:
Resistance is measured in ohms, the unit that expresses how much a component resists the flow of current. The symbol is the Greek letter omega (Ω), and 1 ohm equals 1 volt per ampere (R = V / I). So if you have 2 volts across a component and 0.2 amperes flow, its resistance is 10 Ω. The other quantities you’ll see are amps for current, volts for voltage, and watts for power, which helps distinguish what each measurement represents. This relationship between voltage, current, and resistance is described by Ohm’s law, R = V / I.

Resistance is measured in ohms, the unit that expresses how much a component resists the flow of current. The symbol is the Greek letter omega (Ω), and 1 ohm equals 1 volt per ampere (R = V / I). So if you have 2 volts across a component and 0.2 amperes flow, its resistance is 10 Ω. The other quantities you’ll see are amps for current, volts for voltage, and watts for power, which helps distinguish what each measurement represents. This relationship between voltage, current, and resistance is described by Ohm’s law, R = V / I.

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