Telephone

With all the time you spend on the phone, did you ever wonder how it works? In this BrainPOP UK movie, Tim and Moby explain everything you’ve ever wanted to know about telephones! In this educational, animated movie you’ll discover how phones convert sound into electrical energy, and how they transmit signals over long distances. From the wall socket, through the wires, to your handset and back, you’ll learn about telephonic marvels such as the duplex coil, the exchange, and the hook switch. You’ll find out how your cordless phone’s handset communicates with the base station, and even learn how the buttons on your phone’s keypad work! So put down the phone and watch this movie—you’ll be glad you did!

Related movies: Radio, Mobile Phone, Fax Machine, Emergency 999

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