Tuesday, 11 June 2019

physics - Why aren't wires capacitors?



enter image description here


A parallel plate capacitor consists of two parallel conductors with opposite charges. In the above diagram, the wires are parallel and conductors so do they act as capacitor plates?


If they do, if you have two wires right beside each other, and connect a capacitor to the end, would the capacitor still charge as much? Since the whole thing acts as one big capacitor, the charge wouldn't just gather at the capacitor, it would spread out over the whole wire and the capacitor, meaning there would be less charge in the capacitor.


And if this is true why doesn't the equation for capacitance take the position of the wires into account?


enter image description here




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