Lecture Electric circuit theory: Basic laws - Nguyễn Công Phương

Lecture Electric circuit theory - Basic laws presents the following content: Ohm’s law; nodes, branches, and loops; Kirchhoff’s laws; series subcircuits; parallel subcircuits.

Electric Circuit Theory

Basic Laws

Nguy ễ n Công Ph ươ ng

I Basic Elements Of Electrical Circuits

II Basic Laws

III Electrical Circuit Analysis

IV Circuit Theorems

V Active Circuits

VI Capacitor And Inductor

VII First Order Circuits

VIII.Second Order Circuits

IX Sinusoidal Steady State Analysis

X AC Power Analysis

XI Three-phase Circuits

XII Magnetically Coupled Circuits

XIII.Frequency Response

XIV.The Laplace Transform

Nodes, branches, and loops (1)

A branch represents a single element

Nodes, branches, and loops (2)

A node is the point of connection between two or more branches

Nodes, branches, and loops (3)

A loop is any closed path in a circuit

Kirchhoff’s current law (1)

Kirchhoff’s current law (2)

Kirchhoff’s voltage law (1)

1

0

N

n n

Kirchhoff’s voltage law (2)

Eeq = E1 + E2

Jeq = J1 = J2

+

11

1 1

R R R

R R

+ +