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Electricity 2 - Contenido educativo
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To use electricity, we need to find a way to safely contain and control this flow of charged particles.
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That is what a battery cell does.
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A battery is a chemical device capable of converting stored chemical energy into electrical energy.
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As you know, batteries have two terminals or ends labeled plus and minus.
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This reflects the negative and positive charges on electrons and protons.
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The chemistry of a battery creates a force that moves electrons out of the metal plate on the negative end
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and attracts them to the metal bump on the positive end.
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Electrons will start to move from minus to plus if the right kind of material is connected to the battery.
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Materials that allow electricity to travel through them are called conductors.
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Most metals are good conductors of electricity.
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Copper is the most common metal used in wires.
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In this animation, a conductor is connected to each terminal of a battery.
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Electrons start to move, traveling from the negative terminal towards the positive terminal.
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This is electricity.
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The electrons actually move from atom to atom as they travel through the conductor.
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This is a safety warning.
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Never connect a short metal wire between the terminals of a battery.
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This is a short circuit. The wire will get hot, you might burn yourself, and the battery will quickly lose its energy.
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Have you noticed the letter V on the side of a battery?
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This represents volts. Volts, or voltage, is a measure of the force moving the electrons.
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A AA battery is usually 1.5 volts.
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This is a low voltage, and that is why it is safe to handle a AA battery.
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Higher voltages are dangerous. Never experiment with anything that plugs into a wall outlet.
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Wall outlet voltages range from 120 volts to 240 volts. Extremely dangerous.
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- Idioma/s:
- Subido por:
- David G.
- Licencia:
- Reconocimiento - No comercial - Compartir igual
- Visualizaciones:
- 77
- Fecha:
- 19 de diciembre de 2021 - 12:49
- Visibilidad:
- Público
- Centro:
- IES MARIE CURIE Loeches
- Duración:
- 02′ 10″
- Relación de aspecto:
- 1.78:1
- Resolución:
- 1920x1080 píxeles
- Tamaño:
- 18.76 MBytes
