The structure of an N-channel MOSFET and its different parts.
<ul><li><a href="//commons.wikimedia.org/wiki/File:N-channel_mosfet.JPG" title="File:N-channel mosfet.JPG">N-channel_mosfet.JPG</a>: <a href="//commons.wikimedia.org/wiki/User:Hermitage17" title="User:Hermitage17">Hermitage17</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Fred_the_Oyster" title="User:Fred the Oyster">Fred the Oyster</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Fred_the_Oyster" title="User talk:Fred the Oyster"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:N-channel_mosfet.JPG" title="File:N-channel mosfet.JPG">N-channel_mosfet.JPG</a></li></ul>