alternating current
noun
: an electric current that reverses its direction at regularly recurring intervals
—abbreviation AC
Examples of alternating current in a Sentence
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Thomas Edison’s electric light bulb and power distribution systems and Nikola Tesla’s alternating current innovations relied on copper’s conductivity and corrosion resistance, enabling widespread electrification.
—
Ed MacHa, Forbes, 5 Mar. 2025
An inverter converts direct-current electricity to grid-compatible alternating current.
—Benjamin Kroposki, IEEE Spectrum, 13 Apr. 2024
When the power is on, an alternating current passes through the coil.
—Ari Plachta, Sacramento Bee, 17 Jan. 2025
One of Tesla's most significant contributions was the development of the alternating current (AC) electrical system, which is far more efficient than direct current (DC) for transmitting electricity over long distances.
—Vibhas Ratanjee, Forbes, 10 Jan. 2025
See All Example Sentences for alternating current
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Ed MacHa, Forbes, 5 Mar. 2025
An inverter converts direct-current electricity to grid-compatible alternating current.
—Benjamin Kroposki, IEEE Spectrum, 13 Apr. 2024
When the power is on, an alternating current passes through the coil.
—Ari Plachta, Sacramento Bee, 17 Jan. 2025
One of Tesla's most significant contributions was the development of the alternating current (AC) electrical system, which is far more efficient than direct current (DC) for transmitting electricity over long distances.
—Vibhas Ratanjee, Forbes, 10 Jan. 2025
See All Example Sentences for alternating current
Cite this Entry
“Alternating current.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alternating%20current. Accessed 19 Mar. 2025.
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