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| What is the rms value of an AC voltage and how is it calculated? |
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Definition
For an alternating electric current, the RMS value is equal to the value of the DC value that would produce the same average power dissipation in a resistive load.
[image] |
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| Derivation for the voltage equation of a capacitor. |
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| Derivation for the voltage equation of a Inductor and it's time constant. |
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[image]
This also includes the AC equations based of the impedance Z = jwL.
The voltage v and current i have a 90 degree phase difference (i lags behind v). |
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| How is imperfection shown for an inductor and capacitor? |
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Definition
[image]
Series for inductor and parallel for capacitor. |
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| How can Inductance/Capacitance be analysed in terms of magnitude and phase of the voltage/current/impedance? |
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| Internal resistance of voltage and current sources. |
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| Thévenin to Norton circuit conversion. |
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| Mesh analysis example based on kirchoff's voltage law. |
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Kirchoff's law: [image], where the mesh refers to the closed loop.
[image] |
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| Nodal analysis example based of kirchoff's current law. |
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Definition
Kirchoff's law: [image]
[image] |
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| What is the important transition? |
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Definition
Where voltage gain is decreased to 70% (by a factor of root(2)). Where power is reduced by a factor of 2. And if on the decibel scale, where the log ratio is reduced by 3 dB.
This occurs when: [image] |
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