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 Oil Sands Oil sands are a type of unconventional petroleum deposit. They are loose sand or partially consolidated sandstone that contains natural mixtures of clay and sand‚ saturated with a viscous form of petroleum. Natural petroleum deposits are reported in many countries‚ but are found in extremely large quantities in Canada; 70.8% of the globally estimated oil sand reserves are in Canada. Most of the oil sands of Canada are located in northern Alberta. They
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messaging‚ wikis or other communication technologies leave positive or negative influences as meanwhile firms are also plagued with many troubles‚ such as validity and hackers. This paper aims to define I.M. and wikis and evaluate both the advantages and disadvantages in the field of business. Controlling of access and establishing relevant law to rule the accuracy and legality can improve the negative sides of I.M. and wikis. 2. Definition Computer-based commuication technologies are tools that
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Advantages Mixed economy has got the following advantages: Rapid economic development Inmixed economy both private and public sectors work side by side. The combined efforts lead to rapid economic development. The economic resources of the economy are used efficiently. Wastages of resources are minimised. Lesser inequality of income: Right to own property is granted. Law of inheritance is also applied‚ so certain members of society grow richer and richer. Public sector in the economy tries
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vegetables and fruits. They are‚ no doubt‚ good for health. But have you ever thought whether vegetarian meals are complete? Can it fulfill all the nutritional requirements of the body? Well‚ there are certain advantages and disadvantages of being vegetarian. What are they? Advantages Vegetarian diet mainly includes grains‚ nuts‚ cereals‚ seeds‚ beans‚ vegetables and fruits. Hence‚ it is rich in fiber‚ folate and vitamin C. Vegetables and fruits provide vitamins and minerals that are essential
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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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Data Marts Advantages The implementation of data marts enable users to gain faster access to common data utilizing a technique called dimensional data modeling‚ which optimizes data for reports. For example‚ since data is prepared in common format‚ users with little or not training at all‚ can browse a data mart and obtain information as needed. Data marts can improve end user response time‚ as it contains raw data which allows computer systems to focus on a single task‚ thus‚ improving performance
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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 DECENTRALISING AUTHORITY. Decentralization is whereby daily operations and decision- making responsibilities are delegated by top management to middle and lower level managers within the organization except that which can only be exercised at central point. For example Olivine industries‚ it has branches in different towns run by a branch manager who can make certain decisions like staffing and sales promotions. Branch managers are empowered to make on-spot decisions
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for why this birthing method is used. Also a question that many women have is whether or not they can vaginally deliver after a cesarean delivery‚ as well as the risks and benefits if it. Delivering a child by a c-section also has a few advantages and disadvantages for both the mother and child; this will also be discussed in more depth a bit later. Unlike vaginal birth delivery‚ the process of a cesarean delivery is quite different‚ but just as safe as giving vaginal birth (Taylor‚ 1). When delivering
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