The unit of electrical resistance is the

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Enhance your understanding of the fundamentals of electricity with the AMT General Exam. Study with multiple-choice questions crafted to improve your knowledge and confidence. Prepare effectively for your success!

Multiple Choice

The unit of electrical resistance is the

Explanation:
Resistance is the property that limits current, and Ohm’s law links voltage, current, and resistance with V = I × R. Because voltage is measured in volts and current in amperes, the resistance must be expressed in volts per ampere. That unit is the ohm, defined as the resistance between two points of a conductor where a constant potential difference of one volt, applied to those points, produces a current of one ampere. In practice, 1 ohm equals 1 volt per 1 ampere, and the symbol for the ohm is Ω. The other units—watt (power), volt (potential difference), and ampere (current)—measure different quantities, not resistance.

Resistance is the property that limits current, and Ohm’s law links voltage, current, and resistance with V = I × R. Because voltage is measured in volts and current in amperes, the resistance must be expressed in volts per ampere. That unit is the ohm, defined as the resistance between two points of a conductor where a constant potential difference of one volt, applied to those points, produces a current of one ampere. In practice, 1 ohm equals 1 volt per 1 ampere, and the symbol for the ohm is Ω. The other units—watt (power), volt (potential difference), and ampere (current)—measure different quantities, not resistance.

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