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 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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ADVANTAGES AND DISADVANTAGES OF INTERNET INTRODUCTION Internet has become the most ever powerful tool for man throughout the world. The internet is a collection of various services and resources. Although‚ many people still think e-mail and World Wide Web as the principle constituents of internet‚ there is lot more in store than e-mail‚ chat rooms‚ celebrity web sites and search engines. It also became the best business tool of modern scenario. Today internet has brought a globe in a single
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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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An essay on the topic: Advantage and disadvantages of means of media Means of media are the instruments or devices to disseminate information to common people. Media can be used for promotions of products and services‚ For instance‚ news paper‚ TVs‚ advertisements‚ radio announcements can be used as a means of communication. These are the form of entertainment. These are the means in which globalization takes place‚ a means of informing people about events from
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Space research has many advantages and disadvantages. Some of the advantages are that many discoveries have been made due to space research. This knowledge can help us become a more developed society and it helps the economy. Space research can benefit us by discovering technology that will help us with our lives. Technologies have been discovered thanks to the space program such as Teflon which is a non- stick cook wear will continue to improve our lives. Space research and exploration may help
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1. Disadvantage 1. It destroys your social life and interactions with humans if you do not maintain the balance. 2. It may effect to the destruction of your eye sight due to radiation. 3. It may cause pimples and wrinkles. 4. It may damage your studies and life. 5. Too much time in front of monitor may adverse effect your eye sight and can also make you fat. 6. The way it distracts and can deviate our thoughts and activities towards unproductive activities. 7. It could cause violation
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another war as costly as this one that had been. This would have to be done in both the economic aspects and also politically. This would be good for Europe that everyone would get an advantage from this unification and get more dominant as a whole. Now let’s look up advantages and disadvantages of EU. One of the advantages of the EU is that both the democratic system of the state and also the peace within the countries would be maintained‚ and there would be an increase in safety. It also makes sure
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