Back to: ELECTRONICS
Switches are like the “on/off” buttons for electrical circuits. They control the flow of electricity by either opening or closing the circuit. Think of them as the gatekeepers that decide whether electricity can pass through or not!

How Do They Work?
A switch has two positions:
- Closed: When the switch is closed, it completes the circuit, allowing electricity to flow freely. It’s like a door that’s open, letting all the electricity pass through.
- Open: When the switch is open, it breaks the circuit, stopping the flow of electricity. It’s like closing a door, blocking the electricity from moving.
So, when you flip a switch, you’re either allowing or stopping the current from flowing through the circuit!

Photo credit: pinterest.com
Where Are They Used?
Switches are everywhere! They control the power to almost every device you use, including:
- Lights: When you turn on a lamp, you’re using a switch.
- Appliances: Like toasters, fans, and even TVs have switches that control when they’re on or off.
- Toys and Gadgets: Most toys and electronics have switches to start or stop them from working.
Switches help make devices easy to use by letting us control when they are active or not.
Ready to Dive into Electronics?
Understanding switches is just one step in learning how electrical circuits work. Every component, like resistors, capacitors, and LEDs, plays a part in how electricity flows and powers your gadgets. Once you know how to use these components together, you can start building your very own electronic projects! Stay tuned for our next article on how to start building your very first circuit!