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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Nicholas essay A renowned scientist‚ doctor‚ Joseph Lister revolutionized the surgery approach that greatly diminishes the mortality rate from 85% to a negligible factor. Achieving such career pinnacle‚ he‚ however‚ struggled by peers mocks and satires. However‚ successful one always overcomes all the adversities and turned the bad things into good. Just like the spirit of Joseph Lister‚ Frederick Douglass and "Ender’s Games" protagonist also demonstrate the same capability. A reverent abolitionist
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When outsourcing done for the right reasons‚ it will actually help your company grow and save money. Here are the top advantages of outsourcing: • allows you to get the services of higher quality and/or cheaper; • improves the innovative opportunities of the company due to the interaction and partnership with world-class supplies‚ who have a great intellectual potential and rich innovative experience; • provides greater flexibility in the event of a sudden change in market conditions or consumer
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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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Advantages and disadvantages of being a sportsmen Professional sportsmen are those people who receive payment for their performance‚ as an individual or within a team environment‚ at a professional level. As any other profession in the world‚ treating sports as an occupation also has its advantages and disadvantages. First of all‚ practicing a professional sport‚ not only helps people have an active an healthy lifestyle‚ but also helps them to develop important skills such as perseverance‚
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Evaluate the advantages and disadvantages of globalisation The term globalisation has “successfully passed into common currency‚” (Slater‚2009‚pp.373-383) since Levitt first used it in 1983 and has become a worldwide‚ “ phenomenon that has spread across the globe‚ influencing governments‚ businesses and society.” (Slater‚2009‚pp.373-383) Similarly‚ Giddens has pointed out that‚ “globalisation is political‚ technological and cultural as well as economic‚” (1999). The rapid acceleration of globalisation
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about the analysis of results. It can be sobering to consider the amount of data you will generate and the time it will take to analyse. Some advantages and disadvantages of questionnaires follow. Notes on how to deal with some of the disadvantages are also provided‚ as are some references to more comprehensive information on questionnaires. Some disadvantages of questionnaires: Questionnaires‚ like many evaluation methods occur after the event‚ so participants may forget important issues. Questionnaires
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The advantages and disadvantages of city life Thesis Advantages -A city no doubt offers many tempting comforts and conveniences‚ pleasures and pass times‚ openings and opportunities‚ and that is why people from the country-side are pouring into it in thousands. In a city‚ there are schools‚ colleges‚ business houses and technical institutes‚ hospitals‚ charitable institutions‚ hospitals‚ cinemas‚ play - grounds‚ stadiums‚ parks‚ gardens and easy means of transport and communication
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James Davis Advantages and Disadvantages of E-commerce Bus 107 Debra Wilson November 22‚ 2010 Abstract In today’s economy‚ business moves at a rapid pace and shows no sign of slowing down. Many of the revolutionary changes that have taken place and supplied this economic engine with fuel are due to electronic commerce. The introduction of the computer into the workplace has brought about manifold changes and seemingly unlimited possibilities for merchants. This new technology offers many
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Advantages and disadvantages of joining NATO Nowadays NATO is an ongoing concern in our country. NATO is the North Atlantic Treaty Organization. It is a military alliance created on the purpose of collective defense. Also it is strengthening cooperation among its members‚ but despite this‚ the subject of joining NATO is very controversial. Yet much can be said in favour and against it. First of all‚ one of the positive points it that‚ NATO helps for its member states to create their
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