1 HSC PHYSICS > MOTORS AND GENERATORS| AC & DC Gather secondary information to discuss the advantages and disadvantages of AC and DC generators and relate these to their use. AC generators Advantages The slip rings of an AC generator have a continuous surface that allows the brushes to remain in contact with the ring’s surface. Thus the brushes in an AC generator do not wear out as fast as in a DC generator as they do not create an electric short circuit every half-turn. Therefore
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Discuss in depth the advantages and disadvantages of online pharmacies. What ethical dilemmas do they pose? Would you consider purchasing medication from an online pharmacy? Internet pharmacies have been one of the fastest growing sections of pharmaceutical over last few years‚ through mixture of lower cost for customer and with the lower operating costs. There is growing concern as well with the growth of online pharmacy and few people called for tighter regulations to be placed on the online
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forbearing inefficiency. This was possible through the success of sciences-experiment‚ measurement and hope. Other names are Taylor’s Principles or Taylorism. How should it be followed by a company? The principle of Scientific Management’s key advantages can be seen in Taylor’s four principles on revolutionizing labor advancements‚ which are in financial ratio analysis covering more of costs in running a company. During the dialogue he conducted to the New England Railroad Club back in 1977‚ he
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Advantages and disadvantages of trade blocs: Disadvantages: 1. Nonmember countries of the trade bloc will be ostracized since trade blocs are created to help only their member countries to reduce trade barriers. 2. Member countries will only look out for each other and ignore nonmember countries 3. Relaxed borders between member countries mean more illegal immigrants manage to get through. 4. Impair global trade 5. Loss of benefits: The benefits of free trade between countries in different
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Computer Use Advantages and disadvantages Some Advantages are : I found this information on line! Therefore - 1. communication is improved‚ 2. pay bill’s online‚ recharge your phone online 3. people have access to things they would not have had before (for instance old people who cannot leave the house they can buy groceries online) 4. Computers make life easier - mainly people benefit from it in the sense that it makes doing things a lot easier. 5. one is having the internet
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The advantages and Disadvantages of Distance Learning A few years ago‚ distance learning was seen as an inferior way but nowadays even famous and established traditional colleges and universities are providing distance learning courses and it is generally considered a way to improve one’s life. However‚ people still argue whether distance learning give more advantage or disadvantage. Some of them who see the benefit of distance learning will
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Advantages and Disadvantages of Collaboration in the Workplace Finding new and creative solutions to problems is a challenge in today’s business world. In order to stay competitive companies and organizations must produce better products in a shorter amount of time. The development of collaborative teams is becoming a common practice in organizations with growing popularity across the nation and around the world. Collaborative teams can be defined as a group of individuals who have open communication
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THE ADVANTAGES AND DISADVANTAGES OF LIVING IN A CITY Have you ever thought of the advantages and disadvantages of living in cities? It may seem at first that living in cities have only good sides but further consideration shows that it also got negative sides. Frankly speaking‚ living in a big city has its pros and cons as well. Opinions about big cities are divided. To start with‚ cities provide you with a lot of facilities which are close at your door step. In Kuala Lumpur for example‚ thanks
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Nuclear power stations work in fossil fuel-burning stations‚ except that a "chain reaction" inside a nuclear reactor makes the heat instead.The reactor uses Uranium rods as fuel‚ and the heat is generated by nuclear fission: neutrons smash into the nucleus of the uranium atoms‚ which split roughly in half and release energy in the form of heat.Carbon dioxide gas or water is pumped through the reactor to take the heat away‚ this then heats water to make steam.The steam drives which drivegenerators
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Advantages and Disadvantages of Fiber Optics An optical fiber is a thin and flexible fiber that carries the light between the two ends of the fiber. Optical fibers are widely used in Fiber Optic Communications‚ which is the transmission over longer distances at higher bandwidths than other communications. A fiber optic communication system consists of three components: an optical transmitter‚ a fiber optic cable‚ and an optical receiver. The optical transmitter converts electrical signal to
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