ENHANCING POWER ELECTRONIC DEVICES WITH WIDE BANDGAP SEMICONDUCTORS BY SUNEEL KUMAR M-TECH(POWER ELECTRONICS) Silicon carbide (SiC) unipolar devices have much higher breakdown voltages than silicon (Si) unipolar devices because of the ten times greater electric field strength of SiC compared with Si. 4HSiC unipolar devices have higher switching speeds due to the higher bulk mobility of 4H-SiC compared to other polytypes
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What science has done to make our lives easier and more comfortable? Nowadays science has made great progress in every aspect. More and more wonderful machines invented by scientists have rendered a man’s life much easier and more comfortable. In fact‚ the century we are living in has been called the machine age. We feel the presence of science whenever we go. And the benefits it has brought to mankind are boundless. First‚ science has brought comfort to human mental life. The most wonderful invention
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advantages may not be obvious or observed in short period of times. However there are some impacts on the usage of the electronic devices and gadgets games. According to the sources from a survey of Kaiser Family Foundation‚ children are spending an average of more than 7 hours per day on the electronic device which includes television‚ electronic games‚ internet and some mobile devices. These data show that‚ kids today are easily used up more than 50 hours weekly‚ which means the time consume is
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can be seen with cell phones and the question begging a genuine answer is whether they are responsible enough to be allowed to be with these communication gadgets. There are the pros and cons about this issue. * If they have the phones‚ it is easier to reach them and even know where they are. It is also beneficial during emergency situations when the child can either call for help or be located in case he or she is gone missing. It is good that most of the phones in the market today have what
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A sense of humor can make difficult times easier to bear The sense of humor is one of the most powerful tools we have. People who without a sense of humor may find themselves belittled‚ mocked‚ or treated as stupid‚ leading to anxiety and depression. A good sense of humor is just like weapon‚ and it can beat the difficult situations in many ways. First‚ a sense of humor can dispel tension. That is a good way to express you without hurt others at the same time. I remember two years ago‚ after Senator
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there is not one aspect of life that electronics do not touch. Since we have been looking for our lives to be simpler and easier we have been heading for a life full of electronics. Things are invented just to make one’s life go quicker or make one’s life easier. There have also been many good developments from electronics‚ as in medical advancements‚ food safety‚ travel‚ work and entertainment. One cannot look into any field without it having some type of electronics involved with it. One of the
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Are electronic devices taking over our kids’ lives A report and survey by the Henry J. Kaiser Foundation shows that students are spending more than 7 ½ hours un various media devices. Researchers show that the number of hours is as much as 53 hours weekly and more so in some cases. The survey shows that student’s grades can be affected by excessive use of the internet and electronic media devices. Parental involvement and rule setting could decrease a child’s usage and attachment to the internet
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The Internet makes life better Nowadays‚ with the development of the Internet‚ our life becomes more convenient than any time in the past. With the click of the mouse‚ you can find everything on the Internet including shopping‚ communication‚ entertainment‚ study‚ and so on. Do you know how many percent of people on the Earth have access into the Internet? - 21% In the United States‚ 74% of American adults use the Internet. 94% of students in the US are using the Internet. 60% of American
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Life of Pi - Option 2 In The Life of Pi by Yann Martel‚ Pi Patel and Richard Parker travel in a liferaft for many days while stranded in the Pacific Ocean. However‚ the setting helps aid the story in multiple ways. The setting guides the character’s feelings and actions to grow dynamically and adds foreshadow to the storyline. In the beginning of the plot when the weather started to become rough‚ Pi admitted that he was “very afraid” (Martel 101) and he was so frightened to where “his mind could
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DEFINITION ELECTRONIC GADGETS: 1. Definition of electronics. “Electronics is branch of engineering which deals with the study of transport of information through the magnetic waves.” Most of the electronic gadgets are built on the basis of this definition. As they work through or on magnetic waves. Following is the definition of electronic gadgets. 2. Definition of electronic gadgets. “Electronic gadgets are the instruments which can perform many activities at a time with vast speed
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