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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Assalamualaikum wbk and good morning to our beloved teacher Mrs. Parminder and welcome to our forum organize by University Malaya. From the canseleriy hall of University Malaya we bring to you the Forum Technology and Gadget under the topic the Advantages and Disadvantages of Technology and Gadget. I‚ Prof. Madya Dr. Rosmah Mansor Abdullah (the beauty) will be the chairwoman for the forum. We are blessed in this morning to have three distinguished panellist to share their information and their thought as
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Advantages and disadvantages of using CAD Advantages * Can be more accurate than hand-drawn designs - it reduces human error. * You can save and edit ideas‚ which makes it easier and cheaper to modify your design as you go along. * You can modify existing ideas‚ which saves time. Disadvantages * The software itself can be expensive so initial costs are high. There are free software packages though. * Staff need to be trained how to use the software‚ which also adds to costs
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Advantages: >Computer simulation can allow you to see how a system might respond before you design or modify it. This avoids mistakes and one can try different ideas before the real product is produced‚ making it cheaper as there is no need to make different prototypes every time and testing them out. Example: It is safer and cheaper to use a model and simulation for some real world objects such as nuclear power plants. >It is an advantage to find this out in a model rather than testing the real
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What are the advantages and disadvantages of multitouch interfaces? How useful are they? Explain. Extremely good for object manipulations - Touch‚ drag‚ “pinch” to zoom in and out‚ slide finger up and down or sideways as if they were physical objects without moving a mouse‚ pressing buttons or striking keys. For example‚ Perceptive Pixel offers pressure-sensitive multi-touch displays that can sense an unlimited number of simultaneous touches with accuracy and precision. Their displays come bundled
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Advantages and Disadvantages of Government Systems Around the world‚ each country has their own way of running things and their own government system. In this essay I will discuss the advantages and disadvantages of 3 government systems; unitary‚ confederate‚ and federal. Although some government systems might have similarities with the others‚ they are all very different and have different problems. A unitary state is sovereign and governed as a single unit where the central government is supreme
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ADVANTAGES AND DISADVANTAGES OF MOBILE PHONES ADVANTAGES AND DISADVANTAGES OF MOBILE PHONES Mobile phones are used all over the world for different purposes. In this essay‚ we will be looking at the advantages and disadvantages of using mobile phones. Dr Martin Cooper is considered the inventor of the first portable handset and the first person to make a call on a portable cell phone‚ in April 1973. This portable phone had numerous features never seen before. It revolutionised communication
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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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AdvantagesIt keeps you in constant contact with people you consider important It can help you seek help immediately during emergency cases Its a sense of being financially uplifted. Through mobile phones you can lessen your boredom‚example listen to your favorite music and as well as watching movies through downloading. It can take photosMobile phones also gives us easier access on the internet You can carry it anywhere It has a lot of useful function like calendar‚ making notes‚ alarm clock
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The Advantages and Disadvantages of Winning the Lottery Have you ever wished that you had won the lottery? The lottery can change your life forever but it can also be changed in unexpected and drastic ways. The possibilities of what happens after you win the lottery are in your hands. You could lose your friendships and family member’s trust or maybe you could be intelligent with the money you’ve won and create for yourself endless possibilities‚ one this is for sure your privacy is going
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