An electric bell demonstration type is a basic educational tool used to demonstrate the principles of electromagnetism and how an electric circuit works. It typically consists of a coil of wire (electromagnet), a striker, a bell, and a power source (usually a battery). When the electric current flows through the coil, it creates a magnetic field that attracts the striker, causing it to hit the bell and produce sound. After the striker hits, the circuit is broken, stopping the flow of current, which causes the striker to return, and the cycle repeats.
This type of setup is commonly used in physics classrooms to show how electromagnets work and how they can be used to create motion.