Primary Catalogue

How an Electric Torch Works

Electricity and Circuits

This video explores how an electric torch works and its different components including the bulb, electric cells, switch, and outer body. Students will learn that when switched on, a metal strip moves beneath the switch and the bulb glows, giving light and heat.

Rating: E
Production Year: 2019
Duration: 4 min
Series: Electricity and Circuits
Printable Resources: Yes

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