Common emitter

A common emitter is like a toy car on a track. The toy car has wheels that spin and make it go forward. The wheels are like the electrons in a transistor, which is an electronic part that helps make things work.

The track that the toy car is on is like the circuit that the transistor is in. The circuit makes electricity flow through the transistor to help make a device work.

The place where the toy car starts on the track is called the emitter in a transistor. The emitter is where the electrons start flowing.

The toy car can go uphill, downhill or stay level on the track. If it goes uphill, it needs more energy to keep going. In the transistor, this is called the collector. The collector is like a hill that collects energy from the circuit to help the electrons flow through the transistor.

When the toy car goes downhill, it loses energy. This is like the base of the transistor. The base helps the electrons moving through the transistor to slow down or stop if they need to.

Overall, a common emitter is a way that a transistor can be used in a circuit. It helps control the flow of electricity so that devices can work properly.