When muscles of the body are exposed to electric shock‚ the muscles contract‚ the heart muscle goes into fibrillation electric shock can result in death AC is much more dangerous than DC An electrical shock is experienced when a person become part of an electric circuit. As a result‚ current enters at one point and leaves by another. The severity of the shock is determined by three main factors: The amount of current flowing through the body; The path of the current through the body. The great
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Tools Required Advancement Opportunities My Electrician Experience Conclusion The Shocking Road To Being an Electrician Introduction Electricians help to bring electricity into homes and businesses. They install‚ repair‚ test and maintain wiring‚ fuses and other equipment and systems through which electricity flows. Skilled trades are always in demand‚ which means a career as an electrician can open many doors. If you have a high school education‚ the ability to work with your hands
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and an exhaust tube as well‚ which is a space where air is sucked out of the bulb to create a vacuum. It would also include a glass bulb‚ which is a base to help screw light bulbs into lamps and light fixtures‚ and last lead wires which carry electricity to the bulb from a power plant. (Wallace). If there was a piece of metal in a lightbulb‚ and if energy was passed through it‚ it would become hot enough to glow and then melt. A solution to the problem of it burning is to surround the inside with
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belong to a family of doctors‚ my early childhood memories are engrossed with images of patients and of gadgets saving their lives. This environment was a perfect epitome of the enormous power of science and of how science and spirituality‚ like electricity and magnetism are but two sides of the same coin. As I grew up i was infatuated by the constant evolution of technology. I was awed when the desktop computer in my house was replaced by a laptop. The sheer reduction in size intrigued me. The revelation
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Electricity is vital to our lives‚ but many people seem to be terrified when it comes to electricity because of the potential injuries sustained from an electric shock. Therefore‚ many people prefer to hire an electrician to do the job. Sometimes a very simple connection can be quite costly‚ like the installation of a light bulb. Well‚ why not try to learn how to do these simple connections by yourself. The importance of knowing these steps is that you save money and‚ time without depending on others
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1 the principles of electricity the principles of basic electrical circuits the principles of magnetism and electromagnetism the operating principles of a range of electrical equipment the principles of basic mechanics the principles of a.c. theory electrical quantities in Star Delta configurations. LO1 Matter – something that has weight and takes up space. Electron Neutron Nucleus Figure 1.1: Atom showing nucleus with electrons‚ neutrons and protons 2 Electricity and the science behind
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Nikola Tesla: The Spark that Illuminated America Phillip Cherner Morrison: 3 When one thinks of electricity and light‚ one of the first things to come to mind is usually the name Thomas Edison. One man’s name goes unheard though. A man‚ just as influential as Thomas Edison‚ perhaps more so‚ in the electrification of America‚ was the great innovator‚ Nikola Tesla. Nikola Tesla is a historical figure that goes unnoticed‚ with many
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Types of DC Motors and DC Generators MOTORS – convert electrical energy to mechanical energy Motors and generators are the most frequent used electrical machines. ❖ Generators action can take place when and only when‚ there is a relative motion between conducting wires and magnetic lines of force. ❖ Electric motor is in operation when it is supplied with electrical energy and develops torque‚ that is‚ a tendency to produce rotation. ❖ In DC generator‚ the armature winding is mechanically
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students have a better understanding of knowledge‚ mechanical and electronics engineers help with the multi-media devices such as projectors and computers so that professors can use PowerPoint and other software. Electrical engineers help with electricity such that students can learn at night. Hydraulic engineers make sure that the water supply is sufficient and sustainable for all students of schools. Without engineers‚ massive education would not be possible all over the world. Not only education
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xrayGenerators.htm http://faculty.mwsu.edu/radsci/gary.morrison/RADS_1513/Chapters_5&39/X-ray_Circuits_and_Equipment.pdf http://www.wikiradiography.com/page/Physics+of+the+X-Ray+Tube http://en.wikipedia.org/wiki/ Books Sinclair Tousey‚ Medical electricity and Rontgen rays (3rd Edition) W. B. Saunders Co. 1921 Stewart Bushong‚ Radiologic Science for Technologist St. Louis: Mosby (9th Edition)
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