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Wireless communication technologies, such as Wi-Fi, Bluetooth, and cellular networks, allow for communication over long distances without the need for physical cables. These technologies use electromagnetic waves to transmit data through the air, enabling devices to connect and communicate with each other seamlessly.
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Why are microwaves beneficial for transmitting information?
Microwaves are beneficial for transmitting information because they have a short wavelength, allowing them to carry a large amount of data quickly and efficiently over long distances without the need for physical cables.
Why energy is lost from power transmission cables?
Energy is lost from power transmission cables due to resistance in the materials used to make the cables. When electricity flows through the cables, some of the energy is converted to heat as it encounters resistance, causing a loss of efficiency in transmitting power over long distances.
What does a pylon do in a power plant?
A pylon in a power plant is a tall structure that supports electrical cables carrying electricity from the power plant to homes and businesses. It helps to transmit electricity over long distances while keeping the cables at a safe height above the ground.
How does total internal reflection enable the transmission of messages through fiber optic cables?
Total internal reflection enables the transmission of messages through fiber optic cables by causing light signals to bounce off the walls of the cable, instead of escaping through them. This allows the light signals to travel long distances without losing strength or clarity, making it an efficient way to transmit messages.
What is the best type of medium for open-ended bandwidth needs?
Fiber optic cables are the best type of medium for open-ended bandwidth needs due to their ability to transmit data at high speeds over long distances without degradation. Fiber optics have a much higher bandwidth capacity compared to traditional copper cables and are highly reliable for transmitting large amounts of data.
How did people communicate over long distances?
Telegraph cables- in use since l858 Cyrus Field the principal engineer involved.
Which media suffers least attenuation?
Fiber optic cables suffer the least attenuation compared to other media such as copper cables. This is because light signals in fiber optic cables can travel longer distances without losing their strength, resulting in minimal signal loss. This makes fiber optic cables ideal for transmitting data over long distances.
How long are the common jumper cables?
Common jumper cables typically range from 12 to 25 feet in length. Most standard sets are around 16 feet long, which provides sufficient reach between vehicles in most situations. Longer cables can be useful for larger distances, but they may be heavier and more cumbersome to handle. Always ensure the cables are long enough to connect the battery terminals without straining.
How did they communicate in 1903?
By 1903, the telegraph had been invented, so that was the fastest method of communicating over long distances.
The inability of telephone cables to carry signals across long distances was solved by the invention of the electronic?
Amplifier
Why are microwaves beneficial for transmitting information?
Microwaves are beneficial for transmitting information because they have a short wavelength, allowing them to carry a large amount of data quickly and efficiently over long distances without the need for physical cables.
What animal covers long distances without water?
camel
What bird can travel long distances without flapping their wings?
condor
How long can a raven fly without landing?
A raven can fly for long distances without landing, sometimes up to 40 miles without stopping.
Can you connect long 30 - ft cables from your turntable to your PC without problems?
yes
What are 4 common methods for connecting equipment at the physical layer?
Four common methods for connecting equipment at the physical layer include twisted pair cables, fiber optic cables, coaxial cables, and wireless connections. Twisted pair cables, such as Ethernet, are widely used for local area networks. Fiber optic cables offer high-speed data transmission over long distances with minimal signal loss. Coaxial cables are often used for cable television and broadband internet, while wireless connections utilize radio waves for data transmission without physical cables.
Why energy is lost from power transmission cables?
Energy is lost from power transmission cables due to resistance in the materials used to make the cables. When electricity flows through the cables, some of the energy is converted to heat as it encounters resistance, causing a loss of efficiency in transmitting power over long distances.
