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This is a free sample preview of the essay
The Telephone System
Beginning of essay
The telephone is one of the most creative and prized inventions in the
world. It has advanced from its humble beginnings to its wireless communication
technology today and for the future. The inhabitants of the earth have long
communicated over a distance, which has been done by shouting from one ....
Middle of essay
....agnetic ring is a coil of wire where the
electric current flows. Here, the current and magnetic field from the magnet
cause a diaphragm between the two to vibrate, and replicate the sounds that are
transformed into electricity.
The telephone is also composed of an alerter and a dial. The alerter,
usually known as the ringer, alerts a person of a telephone call, created by a
special frequency of electricity sent by the telephone number typed in. The
dial is the region on the phone where numb.... |
| Number of words: 904 |
Approximate pages: 4 |
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