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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Advantages and Disadvantages of Performance Appraisals There seems to be an ongoing debate as to the value of doing employee performance appraisals. Anyone who has given or received a performance appraisal could argue vehemently as to the effectiveness and sensibility of doing them. So what is a performance appraisal? A performance appraisal is an evaluation of job performance over a period of time. It is basically an annual report card on an employee and how they performed over the prior
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or without the help of an experienced teacher by his or her side. However there are some advantages and disadvantages of using social networking for language learning. This article tries to present the role of social networking in education and to know the advantages and disadvantages of it. Though‚ there are many opinion regarding the topic‚ this article would like to limit on the advantages and disadvantages of social networking in english language learning. The social networking sites focus heavily
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years of cooperation different disputes about the benefits and disadvantages of the EU membership for a nation came up. Based on history‚ values and aims of the union this essay will examine both points of view and will try to make an overall conclusion. MAIN BODY History‚ objectives and aims of the European Union First of all‚ the goals and history of EU creation are tight connected. In other words‚ advantages and disadvantages of membership could be found namely in reasons and aims of cooperation
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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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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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enough differentiated and their cost advantage was too low to be profitable. In 1986‚ they got “stuck in the middle”‚ outlined by Porter (1985) as they had a limited cost advantage and no service advantage. This company followed the low-cost trend‚ which began in the United States with the first airline company adopting a low-cost policy. Then Ryanair acquired a great reputation across Europe‚ leading low-fares scheduled passenger airline through continued improvements and expanded offerings of its low-fares
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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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and non-tariff barriers) are reduced or eliminated among the participating states. Advantages of Trading Blocs The main advantages for members of trading blocs are as follows: 1) Free trade within the bloc: Knowing that they have free access to each other’s markets‚ members are encouraged to specialize. This means that at the regional level there is a wider application of the principle of comparative advantage. 2) Market access and trade creation: Easier access to each other’s markets
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