How to make an Electric Switch ? : School Science Project | Summary and Q&A

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September 4, 2016
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LearnoHub - Class 11, 12
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How to make an Electric Switch ? : School Science Project

TL;DR

Learn how to create a simple electric switch using erasers, aluminum foil, and a ruler in this DIY experiment.

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Key Insights

  • 💐 Switches are essential components of electric circuits, controlling the flow of current.
  • 👋 Aluminum foil, being a good conductor of electricity, is used to wrap the erasers and make connections.
  • 🤕 The ruler serves as a stable platform for the switch, while rubber bands provide additional stability.
  • 💦 Testing the switch with a working bulb and battery is important to ensure its functionality.
  • ❓ The experiment encourages creativity by suggesting alternative materials for creating switches.
  • 🧑 Safety precautions, such as adult supervision and testing with working components, are emphasized.

Transcript

never try to attempt an experiment without an adult supervision we use switches on a daily basis do you think that you can make a switch on your own at your home yes you can today we will learn how to make a very simple electric switch using erasers aluminum foil and ruler materials needed for this experiment are aluminum foil three erasers rubber ... Read More

Questions & Answers

Q: How does the switch in an electric circuit control the flow of current?

When the switch is off, the circuit is broken, and current cannot flow, therefore, the bulb does not turn on. When the switch is on, the circuit is complete, allowing current to flow and the bulb to glow.

Q: Why is aluminum foil used to wrap the erasers?

Aluminum foil is a good conductor of electricity, so by wrapping the erasers with foil and making connections through it, it allows the current to pass through and complete the circuit.

Q: How does the ruler act as a stable platform for the switch?

The ruler is reversed to have the flat and smooth surface on top. The erasers wrapped with aluminum foil are fixed onto the ruler using double-sided tape and additional stability is provided with rubber bands.

Q: Can other materials be used to create the switch?

Yes, as long as the material is a good conductor of electricity, it can be used. The experiment suggests trying alternatives like nuts and bolts.

Summary & Key Takeaways

  • This content provides a step-by-step guide on how to make a homemade electric switch using common materials like erasers, aluminum foil, and a ruler.

  • The purpose of a switch in an electric circuit is explained, highlighting how it controls the flow of current to turn a bulb on and off.

  • The experiment involves wrapping erasers with aluminum foil, fixing them onto a ruler, and making connections using wires and paper pins.

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