Good Electricity And Magnetism On Future Transportation Essay Example

Type of paper: Essay

Topic: Electricity, Magnetism, Vehicles, Infrastructure, Transportation, United States, Discovery, Wire

Pages: 6

Words: 1650

Published: 2020/12/15

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Introduction

In this modern time, electricity as well as magnetism plays a vital role in areas such as homes, offices, transportations, and others. Most of the appliances, gadgets, tools and equipment such as microwave oven, electric fan, air-conditioning, light, computers, and others require electricity and magnetism. With regard to transportation, the electricity and magnetism is required to operate the means of transportation such as airplanes, helicopters, trains, bus, motorcycles, jeepneys, aircrafts, submarines, ships, boats, cars, and others. In this time, these concepts are very much used and appreciated in the transportation industry resulting to convenience and efficiency in everyday life.

History of Electricity and Magnetism

At about 600 B.C., the concept of static electricity was being explained by the Thales Miletus. In 1660, a machine capable of creating static electricity was created by Otto Von Guericke. Later in 1720, the conduction of electricity was discovered, which pave way in order for other scientist to discover new ideas and invent new technologies. One of these is the discovery of the two different forms of electricity called the positive electricity and the negative electricity (Kingsborough Community College, n.d.).
In 1752, the new theory involving lightning was unknotted by Benjamin Franklin. Franklin did an experiment using flying kite during lightning storm which helped him to discover that lightning is a form of electricity (Belbourgo, 2006). Because of this discovery, Franklin received a Copley Medal. Later in 1870, the first direct current electric generator was created by Thomas Edison. Edison’s discovery was used to provide electricity to New York (Bellis, n.d.). Until 1881, using the water wheel from the mill made the supply of electricity given and available to the public. Consequently after Edison’s discovery, another inventor named Alexander Graham Bell invented the telephone which utilizes electricity.
In this, the electricity was used to transmit speech across great distances. As 20th century turns, electricity-based inventions were taking off.
Albert Einstein invented the photovoltaic cells. These cells established its ability in creation of energy using solar power. And in the 19th century, the first washing machines and refrigerators were made and electrical appliances became part of every house. Among the latest construction are the hydro-electric power stations and other power plants in order to provide electricity to all.
In magnetism, its history was also at about 600 BC. Magnetism was possibly observed in lodestone, a form of mineral magnetite which consists of iron oxide. This chemical compound is a combination of oxygen and iron. The ancient Greek uses this mineral called magnet since it has the ability to attract and or even repel pieces of the same iron and material. In 1500s, William Gilbert discovered that the Earth is itself a weak magnet and he was the first to investigate the occurrence of magnetism through scientific methods. Carl Friedrich Gauss studied the nature of Earth’s magnetism in the 1700s and further studies were initiated by Charles Coulomb. Coulomb established the inverse square law of force, which states that attractive force between two magnetized objects is directly proportional to the product of their individual fields and inversely proportional to the square of the distance between them (Baigrie, 2007).
Between 1700s and 1800, Physicist Hans Christian Oersted proposed the relationship between electricity and magnetism. Oersted noticed that when the electric current from the battery was switched on and off, the compass needle used deflects from magnetic north. This deflection convinced him that magnetic fields radiate from all sides of a wire carrying an electric current, just as light and heat do. Andre Marie Ampere and Michael Faraday conducted the experiments involving the effects of magnetic and electric fields, respectively (Baigrie, 2007).
Moreover, in the 19th century, the theoretical foundation to the physics of electromagnetism was provided by James Clerk Maxwell. Maxwell showed that electricity and magnetism represent different aspects of the same fundamental force field (Baigrie, 2007).

Definition and Its Relationship

Electricity comes from the ancient Greek word electron which means amber, a yellowish, semitransparent fossilized mineral resin. Greeks used electric force to denote the mysterious powers or forces of attraction and repulsion exhibited by amber when wiped in the cloth (Spellman, 2009). Other researchers define electricity as the set of physical occurrences related to the existence and movement of electric charge. It gives a wide diversity of distinguished effects, like static electricity, lightning, electric current and electromagnetic induction. Also electricity permits the creation and reception of electromagnetic radiation such as radio waves. In electricity, charges produce electromagnetic fields involving the mechanism of acting on opposite charges (Technical Learning College, n.d.). However, it was later proven that this mechanism or occurrence related with the movement of electric charges is called magnetism. The movements may yield in several forms such as movement of the electron in the atomic track and an electric current in the charged particles moving into the space (McGrayne, n.d.). Magnetism is a force that can pull or attract things. On the other hand, it can push or repel things which comprise magnetic materials like iron.
Unmistakeably, electricity and magnetism work hand in hand together. The presence of one concept is also the existence of the other. In the 19th century, Maxwell is the first person to give details to the concept of magnetism accurately.
The formulated theory concludes everything known about electricity and magnetism in four relatively simple mathematical methods. Maxwell's equations, as now called, combined electricity and magnetism into a single, powerful theory called electromagnetism (Baigrie, 2007). Electromagnetism is a dominant force and considered as one of the important forces which regulate entirety occurs in the world. Electricity produces magnetism through changes or movements.
For instance, when the electric current runs in wire, magnetic field is produced by electricity. Moreover, once the electricity changes then magnetism is also produced. A classic example of this phenomenon is when the metal wire was put into a magnet then the wire is considered to be inside the magnetic field. Move the magnet or move the wire in order for the magnetic field in the wire wavers and electricity runs the wire completely. Have the movements of the magnet continues as a result the electricity will continue to produce also.
On the other hand, the opposite of this example is through altering the arrangement of magnetism. This set-up will produced electricity as well. Visibly, there is this equipment called generator that produces electricity. But in this electrical set-up, there are coils of wires and magnets that create electricity with the aid of the turbines. The turbines are the devices which capture from fluids or materials the kinetic energy that passes by. These fluids or materials came from water, wind, coal, oil or nuclear power. There is also another source of power called the solar energy which uses photovoltaic cells in order to create electricity.

Undertaking in Future Transportation

          It is obvious that the people and community depend so much on electricity. Electricity plays an important role in this modern. Sometimes its significance is even neglected. People take a lot of benefits from the electricity which made using the appliances at home and equipment or devices at the office easier and very beneficial. Another importance is the use of electricity in gadgets or technologies used to communicate, aircon, electric fans, heater, light, computers, photocopying machines, and others.
It is also used in many means of transportation. These things will not work if there is no electricity available. Electricity plays a huge part in our everyday life and is going to change the future especially when it comes to transportation. There are several concrete uses and applications of the electricity and magnetism. It can be established in electronic devices used in everyday life. Others used it in offices, recreational areas, shopping malls and others.
It is also used in transportation like trains which uses electromagnets to ascend the cars. Thus the concept of electricity is helping the trains to run in an extraordinary speed without interruptions. This will save time for the people travelling from one destination to another. Also it will be convenient for people to travel in very distant places in less time.
There are also the motors and generators. This is essentially how electric motors and generators work. Its discovery leads the way for the invention of electric generators and electric motors. This will save the environment resources for not using fuels and gasoline anymore.
There are various uses of electricity to transportation such as to switches, security systems, and even driving force systems for the rockets and spaceships. The usage of transportation will be free from pollution and resourceful changing from dangerous batteries to an eco-friendly one. In the long run of future energy range, another amazing improvement is the motors powered by the permanent magnets. This will be an interesting and high-technology emerging trend that is destined to emanate to the market. In the case of electromagnetic frequencies, there are no researches on the effects of this to people.
The possible danger or harm it may cause is very hard to determine. There are other studies that it could affect the nervous system since the signals interferes during the process occurring in the nervous system and the brain. There are also short studies of the cancerous effect of it when exposed in high value. It can also contribute to depression and anxiety, fatigue, effect in appetite, mood swings, problems in digestion and others (Answers.com, n.d.).
In conclusion, the use of electricity and magnetism on the transportation industry had its benefits, either useful benefits or harmful one. The concept of electromagnetism has proven its versatility in pursue of technological breakthroughs especially in the field of transportation. It is good to use these two concepts or forces as long as it will have a minimal or even no harmful or dangerous effects to the people and to the environment as well. Moreover, the usage of electromagnetism, in the long run, will result to a more efficient environment.

References

Baigrie, B. (2007). Greenwood Guides to Great Ideas in Science: Electricity and Magnetism: A
Historical Perspective. United States of America: Greenwood Publishing Group.
Belbourgo, J. (2006). A Most Amazing Scene of Wonders: Electricity and Enlightenment in
Early America. United States of America: The President and Fellows of Harvard College.
Bellis, M. (n.d.). History of Electricity: Thomas Edison. Retrieved from http://inventors.about.
com/cs/inventorsalphabet/a/electricity_4.htm
Cottingham, W., & Greenwood, D. (1995). Electricity & Magnetism. Great Britain: Athenaean
Press Ltd., Gateshead, Tyre & Wear.
Kingsborough Community College. Electricity and Magnetism. Retrieved from
http://www.kbcc.cu
ny.edu/academicdepartments/physci/science25/Documents/Exp5_Electricity_Magnetism.pdf
McGrayne, S. (n.d.). Magnetism. Encyclopedia Britannica. Retrieved from
http://www.britannica.com/EBchecked/topic/357334/magnetism
Spellman, F. (2009). Physics for Non-Physicists. United States of America: Government
Technical Learning College. (n.d.). Basic Electricity: Continuing Education Professional
Development Course. Retrieved from http://www.tlch20.com/courses/BasicElectricity.pdf
The Health Hazards of Electromagnetic Frequencies. Retrieved from http:// healing.answers.com
/physical-health/the-health-hazards-of-electromagnetic-frequencies

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