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Results tagged with capacitance
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user 179366
The ability of an object to store electric charge.
0
votes
Accepted
Composite Dielectric Capacitor
Just nomenclature. Your $\epsilon_1$ is relative permittivity while their $\epsilon_1$ is permittivity.
- 1,528
1
vote
Physically, why an oscillating voltage source doesn't see the inductor or the capacitor at r...
The math you probably refer to (complex impedances), is relevant for the final steady state. For transient behavior, when circuit is just connected, you need to apply time domain math which takes into …
- 1,528
6
votes
Accepted
Electric Potential Energy of a charged conductor
The equation $voltage=\frac{ energy}{ charge}$ or $V=\frac{E}{Q}$ should be interpreted as follows: Given a voltage of $V$, you need to invest energy $E$ to move charge $Q$ across this voltage. When y …
- 1,528
2
votes
Three questions about capacitance
Aside from the typical capacitor made of two conductors and explained in @DakkVader response, one often encounters a single conductor holding charge.
In that case, potential difference is measured b …
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5
votes
Why are the two outer charge densities on a system of parallel charged plates identical?
Count the surfaces from left to right: S1,S2,S3...,Sn. Each surface generates a symmetric field (left and right). Hence total field left of S1 (E0) is equal to total field right of Sn. Field between S …
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