Experiência: Pilha de Limão

Experiência: Pilha de Limão

How to Create a Lemon Battery

Introduction to the Experiment

  • The experiment demonstrates how to create a battery using lemons, highlighting the simplicity of the procedure and materials required.

Materials and Setup

  • A small cut is made in each lemon to insert a coin and a paperclip, spaced about two fingers apart. This setup involves four lemons connected in series due to their low voltage.
  • Each lemon contributes its voltage, which when combined in series provides enough total voltage to visibly light an LED.

Connecting the Circuit

  • The connection process involves linking the negative pole (paperclip) of one lemon to the positive pole (coin) of another. This creates a continuous circuit with alternating polarities.

Understanding LED Polarities

  • The LED has specific polarities: the cathode (negative side, marked by a cut) and anode (positive side). Proper orientation is crucial for functionality.
Video description

Nesta experiência, o Engenheiro da Computação Luiz Alberto Bordignon, laboratorista do curso de Engenharia da Computação da Universidade Positivo, demonstra como criar uma pilha para alimentar um LED apenas utilizando limões, moedas e clipes.