capacitor and inductor cheat sheet · pdf filecapacitor and inductor cheat sheet capacitors:...

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Capacitor and Inductor Cheat Sheet

Capacitors:

Capacitors in series:

Capacitors in parallel:

Electric Field Energy stored in a capacitor:

Voltage should never change instantaneously (because infinite current results)

In steady state, when connected to a DC circuit, they act as OPEN CIRCUITS.

Impedance:

Inductors:

We will never use the first two equations in this class, but they are here for your edification:

Inductors in series :

Inductors in parallel:

Magnetic Field Energy stored in an inductor:

Current should never change instantaneously (because infinite voltage results)

In steady state, when connected to a DC circuit, they act as SHORT CIRCUITS.

Impedance:

(Note that

[Faraday’s Law], which is how we end up with

from

)

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