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October 26, 2014

Homework Help: introductory physics concept

Posted by yoyoma on Thursday, February 16, 2012 at 11:08pm.

I know that a capacitor does not allow charge to flow through it because its two conducting plates are separated by a dielectric (insulating material) but then how does a current flow through a circuit? Is it because at a certain DC voltage (almost like a breaking point), the insulating material in between the conducting plates breaks down and the voltage is able to pass through? I read this online in a scientific forum, but I just wanted to clarify that this is correct. Can someone please provide me with a thorough explanation? I want to make sure I have my basics down correctly. Thank you everyone for your help.

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