alternating current

US /ˈɔːl.tərˌneɪ.tɪŋ ˈkɝː.ənt/
UK /ˈɔːl.tərˌneɪ.tɪŋ ˈkɝː.ənt/
"alternating current" picture
1.

an electric current that reverses its direction many times a second at regular intervals, typically used in power transmissions

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Most household appliances run on alternating current.
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The power grid supplies alternating current to homes and businesses.
:
AC
:
direct current
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