1.1 Circuit Composition and Operating Status play 1.2 Fundamental ideal component1 play 1.3 Fundamental ideal component 2play 1.4 Basic Physical Quantities of Circuits 1 play 1.5 Basic Physical Quantities of Circuits 2 play 1.6 Basic Physical Quantities of Circuits 3 play 1.7 Basic Physical Quantities of Circuits 4play 1.8 Voltage Sourceplay 1.9 Current Sourceplay 2.1 Resistor connectionplay 2.2 Equivalent transformation of power supplies play 2.3 Kirchhoff's law 1play 2.4 Kirchhoff's law 2play 2.5 The Stacking Principleplay 3.1 Three elements of sinusoidal alternating currentplay 3.2 Phase difference and representation of alternating currentplay 3.3 Load Characteristics and Function of Single Parameter AC Circuits1play 3.4 Load Characteristics and Function of Single Parameter AC Circuits2play 3.5 Load Characteristics and Function of Single Parameter AC Circuits3play 3.6 Power of sinusoidal alternating current play 3.7 Power factor of sinusoidal alternating current play 4.1 Generation of three-phase power play 4.2 Connection of three-phase power supply play 4.3 Star connection for three-phase loads play 4.4 Triangular connection of three-phase loads play 4.5 Power of three-phase alternating current play 5.1 Forms and prevention of electrocution play 5.2 Electrical protectionplay 5.3 Electricity Safety and First Aid for Electricity Shock play