electric bell working model explanation in english for a science exhibition

An electric bell working model for a science exhibition can be an interesting project to demonstrate the working of an electric circuit, electromagnetism, and mechanical motion.

This model typically involves a simple setup with a steel glass, DC motor, 9V battery, nut, and a few additional components. Here’s how the model works:

how to make electric bell working model - diy - step by step
how to make electric bell working model – diy – step by step

Components:

  1. Steel Glass: This acts as the body of the bell.
  2. DC Motor: A 9V DC motor is used to create mechanical motion when it receives power from the battery.
  3. 9V Battery: The battery supplies the electrical energy needed for the motor to function.
  4. Nut and Bolt: These components are used in the mechanism to create a sound when the motor activates.
  5. Wires and Switch: These are used to complete the circuit and control the flow of electricity.

Working Principle: The electric bell operates on the principle of electromagnetism and mechanical motion. The 9V battery is connected to the DC motor through a switch. When the switch is closed, current flows from the battery to the motor, causing it to rotate.

The rotation of the motor’s shaft is connected to the nut and bolt mechanism, which is designed to strike the steel glass. The mechanical energy generated by the spinning motor creates a rhythmic sound as the nut hits the steel glass, making it ring like a traditional bell.

Additionally, if you include an electromagnet, it can attract a metal striker when energized, adding to the working of the electric bell in a more traditional setup. This electromagnet would complete the sound generation process, creating the bell’s ringing sound.

This simple yet effective demonstration helps in understanding how an electric current can be transformed into mechanical energy and sound through a basic circuit, showing the principles of electromagnetism in action.

https://www.youtube.com/@howtofunda

Leave a Comment