Power electronics Mid-1 Objective exam 2011 1.When UJT is used for triggering an SCR‚ the wave shape of the voltage obtained from UJT firing circuit is a a) Sine wave (b) saw tooth wave (c)trapezoidal wave (d) Square wave 2. In a thyristor circuit‚ the angle of conduction can be changed by changing (a) anode Voltage (b) Anode Current (c) Forward Current rating (d)gate Current 3. Freewheeling diodes are mainly used for (a) Better utilization factor (b) di/dt protection
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The Introduction No matter what heading you choose for the introductory section of your proposal‚ it should‚ in the most general sense‚ do two things for the reader: It should provide a "map" of what is ahead It should make the reader want to find out more about your research. More specifically the introductory section to a thesis proposal should tell the reader something about the following: What is the study about? Why is it important? What is the problem‚ question‚ hypothesis‚ theory
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their language (mainly using Chinese) instead of learning the native language in the United States‚ thus exerted influence on the local language. Key words: Chinese refugees‚ immigration‚ communication‚ the United States‚ minority groups Ⅰ. Introduction In the 80s of 20th century‚ the first Chinese immigrants to the United States can be divided into various types- brain gain‚ oversea students‚ refugees etc. In this essay‚ refugees from China will be focused on. Chinese immigrants as refugees
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. INTRODUCTION Learning Objectives 1. Define Psychology. 2. Describe the difference between opinions‚ values and facts‚ and explain how the scientific method is used to provide evidence for facts. 1. Define psychology. Psychology is the scientific study of the mind (mental processes) and behavior. 2. Describe the major schools of thought and theoretical perspectives in psychology. behaviorism psychology based on the premise that it is not possible to objectively study the mind‚ therefore
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ensure to implement security on its network systems. Businesses need to be able to show that they can keep customer information safe and secure‚ this will reassure potential customers and widen your market potential. Prevention of hacking- E-commerce sites need to be able to prevent hacking so as to keep both business and customer data secure. If customer data is stolen from a business’s database then it is possible for the thieves to steal those customers’ identity‚ this is known as identity
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Introduction The Manila Ocean Park is an oceanarium in Manila‚ Philippines. It is owned by China Oceanis Philippines Inc.‚ a subsidiary of China Oceanis Inc.‚ a Singaporean-registered firm that has operated four oceanariums in China. It is located behind the Quirino Grandstand at Rizal Park. It opened on March 1‚ 2008. In terms of floor space‚ the 8‚000 square meters (86‚000 sq ft) oceanarium is larger than the Sentosa Underwater World oceanarium in Singapore‚ and features a 25-metre (82 ft) underwater
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Fritz Lang’s M (1931)‚ contains both dialogue sequences and silent sequences with music or sound effects. Lang edited the sound as if he were editing the visuals. We are introduced to the murder in shadow when he speaks to a young girl‚ Elsie. We hear the conversation he makes with her‚ but we see only his shadow‚ which is ironically shown on a reward poster for his capture. Lang then set up a parallel action sequence by intercutting shots of the murderer with the young girl’s mother. The
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Essay on VERNACULAR PRESS ACT Submitted to – Professor Anshuman‚ Faculty of Legal History ‚TNNLS Submitted by- Mohamed Ashik Jaman. J Roll No. – 2013~BA0130039 Class – 2nd Year Semester- III INTRODUCTION: India‚ has always been proved to be a wealthy Nation‚ as far as archeology could prove. The Indus Valley is regarded as the birth place of the human civilization and many other prosperous Kingdoms and dynasties thereafter. The Country is naturally wealthy and rich with flora and
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inside in a shadowy cold room with their eyes glued to a television with scenes of gory video games of people shooting each other’s heads off. Family dinner talks turn into family members scattered throughout the house entranced in their own little electronic world. The over-use of technology is creating an impatient society and it is also diminishing once-valued personal interaction with others. More often now these days‚ people would rather let a machine take a message instead of answering a call;
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E-Commerce is buying and selling through the internet‚ thanks to the electronic channels (PC‚ mobiles). The three pillars: -PRODUCT WITH ITS POINT OF SALE (WEB) -BUYER -SELLER Fourth pillar in the near future: we! WEB DESIGN Before starting: organize and think about the architecture information and define web site structure! ARCHITECTURE INFORMATION: is the art and science of organizing and labeling web sites‚ intranets‚ online communities and software to support findability
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