for its variable capacitance when reversedbiased. Used for tuning frequencydependent equipment. Zener Diode is designed to operate in the breakdown region; used for voltage regulation. Varactor Zener N + P electron flow depletion layer An ideal diode acts like a closed switch when forward biased and an open switch when reverse biased. 1st approximation calculations assume an ideal diode. 2nd approximation calculations take into account the voltage drop across the diode. 3rd approximation
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Separations of the Components of a Mixture January 9‚ 2013 Hailey Rounds Partners: Kelsy Shay Katie Nelson Objectives: The purposes of this experiment are to separate two components in a mixture‚ specifically sodium chloride and silica‚ and find the correlating percent composition of each. Abstract: This experiment consisted of the separation of sodium chloride and silica. The mixture was separated by extracting the sodium chloride with water and drying both substances. Adding water to
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Components of Argumentative essay and the use of language After deciding on your thesis and choosing your readings‚ you will now be ready to write you index cards by summarizing‚ paraphrasing and quoting (Portfolio item 3). Synthesizing (will be further explained in week 8) Your index cards will later be organized in a way to form the bigger picture. This is what we call ‘Synthesis’. It is the process of arranging the different pieces to create a mosaic and give it a personal meaning
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Q1-1) Identify the five components of a data communications system. 1.Message. 2.Sender 3.Receiver. 4.Transmission medium. 5.Protocol. Q1-11) Why are protocols needed? To achieve end-to-end delivery of data. Q-17) Explain the difference between an Internet draft and a proposed standard? - An Internet draft is a working document (a work inprogress) with no official status and a six- month lifetime. - A proposed standard is elevated to draft standard
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Dying To Be Thin “An estimated 8 million Americans have eating disorders.” Anorexia nervosa (anorexia) is a serious eating disorder that causes people to often drop “below 85 percent” of their body weight (Graves‚ “Chapter One”). Anorexia is about perception‚ what victims see in the mirror is someone who is “fat”. Anorexia can cause serious health problems; although‚ it can be cured. To understand the terrible disease anorexia one must understand what causes it‚ the effects it has on the mind‚
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Prescription drug overdose and abuse is a common problem faced by many individuals today. According to the CDC (2013)‚ prescription drug overdose and abuse has increased exponentially since the 1980s. In 2009‚ the prescription drug overdose was five times that in 1980. Deaths due to drug overdose exceeded those due to motor vehicle accidents for the first time in 2009. The majority of these deaths were attributable to opioid overdose. According to the National Institute on Drug Abuse‚ approximately
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Purpose: * To titrate "Mohr’s salt" solution with KMNO4‚(second standard) which has to be standardize with oxalic acid (first standard). * To learn how acid-base reactions could be used in titration analyses of unknown substances with basic components. * To standardize potassium permanganate solution KMNO4‚ which then be used for titration of iron unknown solution. * To write the net ionic equations of redox reaction carried out in this experiment. * Concept of experiments: *
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Chapter 9 (Nutrients and Feedstuffs) Nutrient – component of feed that aids in the support of life Feed – any material‚ after ingestion by the animal‚ that is capable of being digested‚ absorbed and utilized * Not all feed is utilized Lignin – indigestible * Lignin is what the outer wall of a plant cell * The older the plant is the more lignin it has Components of animal feed * Water – (#1 most important nutrient) * Dry matter * Inorganic matter (minerals)
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Drug addiction is one of the most concerned issues all around the world. Either consuming or trading drug in some countries are strictly prohibited. For instance‚ ‘January 2009‚ Yong Vui Kong‚ a Malaysian was sentenced to death in Singapore for trafficking heroin’. However‚ the restrictions or even the punishments seem to have failed remediating this issue. Drug trafficking among teenagers has been increasing rapidly and immediate ‘remedies’ are indispensable to prevent further societal consequences
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According to Webster’s New World™ Medical Dictionary‚ 3rd Edition‚ Addiction is a chronic relapsing condition characterized by compulsive drug-seeking and abuse and by long-lasting chemical changes in the brain. Addiction is the same irrespective of whether the drug is alcohol‚ amphetamines‚ cocaine‚ heroin‚ marijuana‚ or nicotine. Every addictive substance induces pleasant states or relieves distress. Continue use of addictive substances induces adaptive changes in the brain that lead to tolerance
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