Fundamentals of Electrical Circuits and Safety

📋 Course Outline

1. Circuit components and their symbols
2. Current behavior in series circuits and factors affecting it
3. Current behavior in parallel circuits and lighting circuit applications
4. Conservation of current at junctions in parallel circuits
5. Electromotive force (EMF) and potential difference in series and parallel circuits
6. Combined resistance of resistors in series and parallel
7. Electrical hazards and safety risks from mains electricity

📖 1. Circuit components and their symbols

🔑 Key Concepts & Definitions

• Circuit symbol : Graphical representations used in circuit diagrams to represent circuit components, enabling identification and understanding of their behavior in circuits.
• Power supply : Components such as cells, batteries, power supplies, and generators that supply current to a circuit.
• Circuit Diagrams & Circuit Components : Visual representations of electrical circuits using standardized symbols to depict components and their connections.

📝 Essential Points