alternating electric current

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Explanation of "Alternating Electric Current"

Definition:
"Alternating electric current," often abbreviated as AC, is a type of electric current that changes direction regularly. In simple terms, it flows one way for a moment, then reverses and flows the other way. This back-and-forth movement happens very quickly, typically many times per second.

Advanced Usage:

In more technical discussions, you might encounter terms like "frequency" (the number of cycles per second) or "sinusoidal waveform" (the smooth, wave-like shape of AC). Engineers may also discuss the benefits of AC over direct current (DC), which flows in only one direction.

Word Variants:

• Alternating Current (AC): This is the common abbreviation for alternating electric current.
• Direct Current (DC): This is another type of electric current that flows in only one direction.

Different Meanings:

While "alternating electric current" specifically refers to electricity, the word "alternating" itself can mean changing back and forth in various contexts, such as alternating between tasks or alternating days.

Synonyms:

• AC (abbreviation)
• Sinusoidal current (more technical)

Idioms and Phrasal Verbs:

There are no direct idioms or phrasal verbs specifically for "alternating electric current," but in a broader context, you might say: - "Switch it up," which means to change things around. This could relate to alternating tasks or activities.

Summary:

"Alternating electric current" is an important concept in electricity, especially in understanding how our homes are powered.

Academic

Noun

1. an electric current that reverses direction sinusoidally
   • In the US most household current is AC at 60 cycles per second

Synonyms

• alternating current
• AC