<p><span class="h-card" translate="no"><a href="https://fedi.astrid.tech/users/astrid" class="u-url mention">@<span>astrid</span></a></span> <span class="h-card" translate="no"><a href="https://glaceon.social/@lily" class="u-url mention">@<span>lily</span></a></span> you can figure this out from first principles if you consider that copper basically cannot contain an electric field within it because if it did, the free electron gas would almost instantly shift to neutralize it</p><p>without a potential difference in a field, there is no energy stored (since that's what potential is)</p><p>across the dielectric, you can have as much as the breakdown voltage allows</p>
