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What are telephone wires made of?
Mainly all telephone wires are made of copper with a plastic coating for insulation. Older form of telephone wire had a paper or pulp insulation over the copper wire. They are also a twisted pair cable.
What device is for sending coded messages over wires and electricity?
A telegraph, a telephone, and a teletype.
How did telephone helped over society?
Dont understand your question. Can you rephrase it
How is a telephone better than a telegram?
A telegram was written on paper that was transmitted over telegraph wires to a office and had to be delivered. Telephone is direct talking to another person.
What is a telephone and its use?
A telephone is a device that transmits a person's voice through wires (or through fiber optic cables) over long distances, enabling that person to speak to another person who also has a telephone. The telephone is a much earlier and more basic invention than the computer, and indeed, computers use the existing system of telephone wires for their own long distance communication purposes.
What are telephone made of?
Mainly all telephone wires are made of copper with a plastic coating for insulation. Older form of telephone wire had a paper or pulp insulation over the copper wire. They are also a twisted pair cable.
Why don't birds tip over when they sleep on telephone wires?
Because they have a good balance skill called hypmitosis. Another answer: For birds to grasp something with their feet all they need to do is relax their muscles. It takes muscle strength to open their grasping feet. So, when they go to sleep (and relax) their grasp actually tightens rather than loosens.
What are reasonable safety measures?
Do not work on a wet surface Switch off the electricity when trying to fix something dont over load the socket cover open wires with insulation tape Dont put a carpet over open wires
What is the difference between the telegrah and the telephone?
The telegraph is a communication device that transmits messages using electrical signals over wires, while the telephone is a device that transmits voice conversations over wires or wirelessly. The key difference is that the telegraph communicates using coded messages, while the telephone allows for real-time spoken conversations.
Why do some telephone wires snap at night?
Telephone wires may snap at night due to temperature fluctuations that cause materials to contract. As temperatures drop, metal wires can become brittle and more susceptible to breaking, especially if they are already under tension from factors like ice accumulation or wear over time. Additionally, decreased visibility can lead to increased risks of accidents that might cause wires to snap.
What is a land line?
A land line is a regular telephone line, typically served over a pair of copper wires from the a phone company, like AT&T. Also called a POTS line (Plain Old Telephone Service).
What did Alexander Graham Bell invent by sending human speech over electrical wires?
He invented the telephone to make people hear better, as some were deaf in the family.
