The animation of a sinusoidal sine wave traveling to the right .
<ul><li><a href="//commons.wikimedia.org/wiki/File:AC_wave.gif" title="File:AC wave.gif">AC_wave.gif</a>: <a href="//commons.wikimedia.org/w/index.php?title=User:Ikaxer&amp;action=edit&amp;redlink=1" class="new" title="User:Ikaxer (page does not exist)">user:ikaxer</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Dave3457" title="User:Dave3457">Dave3457</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Dave3457" title="User talk:Dave3457"><span class="signature-talk">talk</span></a>)</li></ul>
CC BY-SA 3.0
<ul><li><a href="//commons.wikimedia.org/wiki/File:AC_wave.gif" title="File:AC wave.gif">AC_wave.gif</a></li></ul>