What is the symbol for ohms?

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Study for the Con Edison Basic Electric Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

What is the symbol for ohms?

Explanation:
The unit of electrical resistance is denoted by the omega symbol. This symbol comes from the Greek letter omega (Ω) and is used worldwide after a numerical value to show ohms, as in 5 Ω. It’s chosen in honor of Georg Ohm, and the symbol distinguishes the unit from the letters often used for variables in circuits (R for resistance, U for voltage) or other symbols like sigma, which can represent conductivity or a summation. So the correct symbol to represent ohms is the uppercase omega, Ω.

The unit of electrical resistance is denoted by the omega symbol. This symbol comes from the Greek letter omega (Ω) and is used worldwide after a numerical value to show ohms, as in 5 Ω. It’s chosen in honor of Georg Ohm, and the symbol distinguishes the unit from the letters often used for variables in circuits (R for resistance, U for voltage) or other symbols like sigma, which can represent conductivity or a summation. So the correct symbol to represent ohms is the uppercase omega, Ω.

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