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Many of them have their own emergency generators,

ready to take over if the commercial power fails.

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Why does light rays travel straight and radio waves vary?

Higher frequency radiation follows straighter lines than lower frequency. This effect starts to become significant with VHF radio (well below microwave and visible light radiation). VHF is used for FM radio and some TV stations.


What would cause a 1994 Jeep Grand Cherokee Laredo transmission to overheat?

Pinched or blocked transmission cooling lines


How many stations are there with ruislip in the name?

There are three stations in the London area that include "Ruislip" in their name: Ruislip, Ruislip Gardens, and Ruislip Manor. All three are part of the London Underground network, serving the Metropolitan and Piccadilly Lines.


What is bigger radio waves or light waves?

One can say that radio waves are a million times bigger than light, but one needs to be a little more specific about what you mean when you say it. When we speak of the size of a wave, we usually refer to its amplitude or wavelength and in this case, wavelength seems to be relevant to the question. Radio waves and light are both electromagnetic waves and the two terms refer to different parts of the electromagnetic spectrum. Visible light has wavelengths of a few hundred nanometers, although one can expand that region somewhat beyond the visible and still find that the term "light" is used. Radio waves are much longer and generally the spectral region which we call radio is in the ball park of a meter. (It is not uncommon to apply the term radio waves to much longer wavelengths however.) Though there is not one specific measure of "size," radio waves generally have a wavelength of a million times greater that light waves.


Communications occur over what such as telephone lines cables cellular radio networks and satellites?

operating systems

Related Questions

What are power lines used for?

Answer youtubeAnswerThere are two categories of 'power lines': 'transmission lines' and 'distribution lines'. Transmission lines comprise lines supported by transmission towers ('pylons') and distribution lines comprise lines supported by poles. In both cases, their function is to transport electrical energy from the generating stations to the consumer. Transmission lines are normally part of the grid system, a network which links many generating stations and load centres (usually located near large towns, for example); distribution lines link these load centres to consumers -factories, commercial buildings, residences.


What are the examples of electricity?

One example of current electricity are transmission lines. These bring electricity from power stations to individual houses.


Will the transmission fluid of the radiator be drained when you drain the fluid on the transmission?

Most of the ATF will remain in the trans cooler and lines unless you have the transmission force flushed by a trans shop.


What transmission?

A: It could mean two thing transmission as in broadcast radio TV and so forth or power transmission lines to supply real power to USA states


What are some example of current?

One example of current electricity are transmission lines. These bring electricity from power stations to individual houses.


What are some example of electricity?

One example of current electricity are transmission lines. These bring electricity from power stations to individual houses.


What are possible causes for having a lot of static on a 2001 jetta radio am stations only?

Most likely electric power lines and transformers in your area.


How is energy transferred from power stations to your home?

Energy is transferred from power stations to your home through the electrical grid. Power stations generate electricity, which is then transmitted at high voltage through power lines to substations. At the substations, the voltage is reduced for safe distribution to homes and businesses through power lines, eventually reaching your home through outlets.


How is energy loss reduced during transmitted from power stations to homes?

Energy loss is reduced during transmission from power stations to homes by using high-voltage transmission lines that can carry electricity efficiently over long distances. Transformers are used to step up the voltage at the power station and step it down at the homes, minimizing energy loss during transmission. Additionally, regular maintenance of transmission lines and equipment helps to keep the system running efficiently.


Why is transmission problematic for VDSL standardization?

It has an unverified bit rateThe impact of bridged taps and unterminated lines is unverifiedIt is prone to interference from amateur radio


Disconnecting transmission lines 96 jeep?

You can disconnect the 1996 Jeep transmission lines with a 9/16 open end wrench. Be prepared for transmission fluid to come out of the transmission lines.


Is it true that cancer is cause by radiation?

Yes, cancer is known to be caused by extended exposure nuclear radiation. If is also suspected by some that electromagnetic radiation (from electrical power lines and radio transmitters, including Cellular phones, WiFi, and radio stations)