Theorems and laws

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There are few theorems that can be applied to find the solution of electrical networks by simplifying the network itself or it can be used to calculate their analytical solution easily.

The electrical circuit theorems can also be applied to A.C systems, with only one difference: replacing the ohmic resistance of the D.C system with impedance.

Common Terms used in Circuit Theory

The library uses the symbol font for some of the notation and formulae. If the symbols for the letters ‘alpha beta delta’ do not appear here [a b d] then the symbol font needs to be installed before all notation and formulae will be displayed correctly.

E
G
I
R
P
voltage source
conductance
current
resistance
power
[volts, V]
[siemens, S]
[amps, A]
[ohms, W]
[watts]
V
X
Y
Z
voltage drop
reactance
admittance
impedance
[volts, V]
[ohms, W]
[siemens, S]
[ohms, W]



No.DescriptionDownload
1Ohm’s Law
2Kirchhoff’s Laws
3Thévenin’s Theorem
4Norton’s Theorem
5Thévenin and Norton Equivalence
6Superposition Theorem
7Reciprocity Theorem
8Compensation Theorem
9Millman’s Theorem
10Joule’s Law
11Maximum Power Transfer Theorem
12Star-Delta Transformation
13Delta-Star Transformation

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  1. [...] and its Relation to Free Energy” related to this subject.His position as instructor in the electrical theory gradually directed his interest to the study of electromagnetic phenomena. The subject of [...]

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