Electrical Circuit Components

Engineering Studies – P2 Product Engineering – Electricity

This topic describes the types and functions of common components used in electrical circuits. Inputs, outputs and control devices are explained.

Key Concepts

• Storing electrical energy – batteries
• Devices such as:
  • Resistors
  • Capacitors
  • Semi-conductors
• Input devices such as;
  • Switches
  • Sensors

Discussion Questions

1. Why is storing electrical energy critical for technology?
2. Describe ways of storing electricity.
3. List common electrical components.
4. Explain the function of these electrical components:
   • Batteries
   • Resistors
   • Capacitors
   • Semiconductors
   • Switches
   • Sensors