Agricultural Mechanics EOPA Practice Exam 2025 – Comprehensive All-in-One Guide to Achieve Exam Success!

Question: 1 / 870

What type of current reverses its direction 60 times per second?

Direct Current (DC)

Alternating Current (AC)

The type of current that reverses its direction 60 times per second is known as Alternating Current (AC). This is a fundamental characteristic of AC, where the flow of electric charge periodically changes direction. In the context of household electricity in the United States, the standard frequency of AC is 60 Hertz, meaning the current completes 60 cycles per second, effectively reversing its direction 60 times each second. This property makes AC particularly suitable for power distribution over long distances, as it can be easily transformed to different voltages.

In contrast, Direct Current (DC) flows consistently in one direction and does not reverse; Static Current is not a recognized term in electrical engineering; and Surge Current refers to a sudden increase in current, not specifically linked to a frequency or direction reversal. Understanding these distinctions clarifies the significance of AC in various electrical applications.

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Static Current

Surge Current

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