Switches, Conductors and Insulators

The video tutorial explains the function and types of switches, demonstrating how to build a simple switch using household items. It guides viewers through creating a circuit to understand how switches control the flow of electricity. The tutorial also explores the components of a torch and how its circuit works. It distinguishes between conductors and insulators, providing a method to test materials using a homemade tester. The video emphasizes safety by advising against testing materials connected to an electric source.

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