ELECTRICAL COMPONENTS & SYMBOLS

1. Electrical components are used to build electric circuits.

An electric circuit

• The dry cell is a source of electrical energy for the circuit.
• A switch is used to complete or break a circuit.
• Connecting wires allow electricity to flow through the circuit.
• The bulb lights up when the switch is closed and electricity flows through it.

2. Different symbols are used to represent the different components in an electric circuit.

bulb

 dry cell

connecting wire

switch