What is the unit of electrical resistance?

Prepare for the Agricultural Mechanics 2 EOPA Test. Enhance your skills with multiple choice questions, hints, and explanations. Get ready to excel in your exam!

Multiple Choice

What is the unit of electrical resistance?

Explanation:
Resistance is measured in ohms, symbolized by Ω. This unit comes from Ohm’s law, which relates voltage (V), current (I), and resistance (R) with the equation V = I R. That means the unit of resistance is volts per ampere, and one ohm equals one volt per one ampere. In practical terms, a higher resistance means less current flows for a given voltage. The other quantities listed—amperes (current), volts (voltage), and watts (power)—are not units of resistance, but of the other electrical properties.

Resistance is measured in ohms, symbolized by Ω. This unit comes from Ohm’s law, which relates voltage (V), current (I), and resistance (R) with the equation V = I R. That means the unit of resistance is volts per ampere, and one ohm equals one volt per one ampere. In practical terms, a higher resistance means less current flows for a given voltage. The other quantities listed—amperes (current), volts (voltage), and watts (power)—are not units of resistance, but of the other electrical properties.

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