How many ohms are in a Megohm?

Prepare for the MTA Transit Electrical Helper Exam with flashcards and multiple-choice questions. Hints and explanations accompany each question. Get ready for your exam!

A Megohm is a unit of electrical resistance equal to one million ohms. The prefix "mega-" in the metric system denotes a factor of one million (10^6). Therefore, when you see "Megohm," it directly translates to 1,000,000 ohms. This understanding is critical for anyone working in electrical fields, as it helps in measuring and calculating resistance in various components and systems effectively. It's vital to be familiar with these conversions to ensure accurate electrical work.

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