Electromagnetic Doorbell Diagram. This breaks the connection between the circuit and electromagnet so the electromagnet shuts off. The electric doorbell is a simple circuit that triggers a sound on the completion of circuit by pressing the button.
The magnet is then cut off and the clapper is released closing th. For the sake of simplicity this picture doesn t include the electromagnet and the battery which are wired into the circuit or the spring that pulls the clapper back to its original position. A chime doorbell uses a specialized sort of electromagnet called a solenoid.
Below is an interactive diagram of the doorbell you can press the button to see it in action.
Inside a clapper doorbell. How a doorbell clapper works as part of a self interrupting circuit. Pushing the bell button closes the switch s and connects the electromagnetic coil m to the battery b. The simple devices in the doorbell put the scientific principle of electromagnetism into action in a useful way.
