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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Advantages and Disadvantages of International Trade Name of Student Name of Institute Date Contents Introduction 3 When there is no trade between the rest of the world and China 3 When there is a trade between the rest of the world and China 4 Free trade is the best trade policy 6 Free trade hard to achieve 7 Introduction Textile industries are significant segment‚ which distinguished country’s success by which nations establish to accomplish its respective aimed goal. International
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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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the chip that reads the info saved on itself and the antenna sends the data back to the reader. The biggest benefit is the lack of power source in passive transponders that allows for smaller sizes and lower prices‚ which leads to their much wider spread then the other types. The disadvantage is the very short distance of transmission that constrains the position of the reader to immediate proximity. - Semi-passive transponders – these tags have a small battery that powers the chip. This way the
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advantages/ disadvatages of mobile phones. advantages -of course there are many advantages of a mobile phone‚ so it’s not just an object hanging around in your pocket‚ you can call everyone with it‚ well everyone that has a phone too. If you’re gone in a trip for instance‚ and you miss you friends‚ or family members‚ you can easily call them‚ you can tell them you’re life stories and so on ! -we have already talked about that part of use of a phone‚ but if you are in danger‚ or smtg.
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Advantages and disadvantages of a Web Presence The World Wide Web is a World Wide Market. It is a new way of selling. More and more customers expect to find your product news and specifications on the web. But even on the Net‚ you have to advertise your product. Using Internet as a media to advertise your product is different from traditional media. Through Internet companies can be present all over the world. Using the web as an advertising tool is the cheapest way to be discovered at every time
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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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Advantages and disadvantages of online education Introduction It is basically credit-granting courses or education training delivered primarily via the Internet to students at remote locations‚ including their homes. The Online courses may or may not be delivered synchronously. An online course may need that students and teachers meet once or periodically in a physical setting for lectures‚ labs‚ or exams‚ so long as the time spent in the physical setting does not exceed 25 percent of the
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