Which unit is symbolized by the letter O for resistance?

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Prepare for the Milady Electrology Exam. Utilize flashcards and multiple-choice questions with detailed explanations. Enhance your readiness for the exam.

Multiple Choice

Which unit is symbolized by the letter O for resistance?

Explanation:
Resistance is measured in the Ohm. The Ohm is the unit that describes how strongly a component resists current flow, and it’s named after Georg Simon Ohm. In circuit relations, Ohm’s law ties voltage, current, and resistance together (V = IR), so the Ohm is the correct unit for resistance. The standard symbol for the Ohm is Ω, though you may see a simple O used in some contexts as a shorthand. The other options correspond to different electrical quantities: Ampere for current, Volt for voltage, and Farad for capacitance, so they’re not the unit of resistance.

Resistance is measured in the Ohm. The Ohm is the unit that describes how strongly a component resists current flow, and it’s named after Georg Simon Ohm. In circuit relations, Ohm’s law ties voltage, current, and resistance together (V = IR), so the Ohm is the correct unit for resistance. The standard symbol for the Ohm is Ω, though you may see a simple O used in some contexts as a shorthand. The other options correspond to different electrical quantities: Ampere for current, Volt for voltage, and Farad for capacitance, so they’re not the unit of resistance.

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