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Soalan 2 HBLS3203 ASAS ELEKTRIK DAN ELEKTRONIK KERTAS PENERANGAN TRANSISTOR TAJUK : TRANSISTOR TUJUAN Kertas penerangan ditulis ini bertujuan untuk menerangkan kepada murid Tahun 6 tentang transistor iaitu salah satu daripada komponen yang utama di dalam barangan elektronik. Diharap murid akan dapat memahami tajuk yang diterangkan dan boleh membuat latihan amali bila perlu. PENERANGAN Transistor adalah satu daripada komponen dalam litar barangan elektronik untuk meninggikan aliran arus, voltan, kuasa dan berfungsi sebagai suis. Transistor dibuat daripada bahan semikonduktor seperti silicon (Si ) dan germanium ( Ge ). Transistor mempunyai tiga kaki iaitu kaki pemancar (E) yang mengeluarkan arus untuk kembali ke punca negative, kaki pemungut (C) yang menerima arus eletrik daripada punca positif bateri dan kaki tapak (B) yang berfungsi untuk mengawal arus elektrik daripada kaki C ke kaki E. JENIS_JENIS TRANSISTOR Terdapat dua jenis transistor, iaitu transistor jenis NPN dan transistor jenis PNP. PRINSIP KERJA TRANSISTOR Arus akan mengalir dari pemungut ...

How Should Waste Be Disposed Of Environmental Sciences Essay

This research is to larn and open our head about the waste in our environment and how to cut down or dispose the waste right. This is of import because our Earth is acquiring covered with a waste. The article below show the cogent evidence. The UK produces more than 434 million metric tons of waste every twelvemonth. Every twelvemonth UK families throw off the equivalent of 3 ? million bus coachs ( about 30 million metric tons ) , a waiting line of which would stretch from London to Sydney ( Australia ) and back. On norm, each individual in the UK, throws off seven times their organic structure weight ( about 500kg ) in trash every twelvemonth. ? I would strongly believe the Earth would truly appreciate and thankful to hold homos who know how to cut down or dispose the waste with a right manner. Introduction The dumping of waste at suited sites around the state is the usual agencies of disposal worldwide. It may be the quickest and the cheapest manner to acquire rid of waste but it is non a solution to the job of waste disposal. Indeed, at times is has led to major catastrophes. Landfill is an operation where the waste is used to make full up digging or natural hollow in the land. A shit may be good served but non ever. In the UK, possibly 90 % of all waste including toxic and other unsafe waste is still disposed of by landfill. ? So we need to halt shit the waste and make a proper manner to dispose all the waste. This is to forestall the land H2O pollution. As a consequences, we need to recycle all the wastes. Recycling is a processing used stuffs into new merchandises in order to forestall waste of potentially utile stuffs, cut down the ingestion of fresh natural stuffs, cut down energy use, cut down air pollution, H2O pollution and lower nursery gas. The commence waste that we can recycle are fictile, steel, gum elastic, glass, wood, paper and so on. Different waste difference type and method of recycle. Plastic Plastic is one of the most material waste around the universe. Plastic is light weight and versatile, doing it an ideal stuff for many applications. When we recycle the plastic, we will cut down the volume of waste traveling into the landfill, reduces the sum of oil used for fictile production and reduces the sum of energy consumed. We need to recycle plastic because plastic can take up to 500 old ages to break up. One metric ton of plastics is tantamount to 20,000 two litre drinks bottles or 120,000 bearer bags.? Presents, the demand and used of plastic are acquiring addition. Most of them are seeking to alter the used of other stuff to plastic. For illustration, autos are progressively utilizing fictile constituents in an attempt to cut down vehicle weight and better fuel ingestion. Then, nutrient is being repackaged in plastic instead than glass or Sn in order to cut down weight and merchandise harm. Chameleon. Internet ( 2004 ) Waste Online, Available at hypertext transfer protocol: //www.wasteonline.org.uk Walter, J.K. and Wint, A. ( 1981 ) , Industrial Effluent Treatment, UK, Allied Science Publishers.. The considerable growing in plastic usage is due to the good belongingss of plastics. These include: Extreme versatility and ability to be tailored to run into really specific proficient demands. Lighter weight than viing stuffs, cut downing fuel ingestion during transit. Extreme lastingness. Resistance to chemicals, H2O and impact. Good safety and hygiene belongingss for nutrient packaging. Excellent thermal and electrical insularity belongingss. Relatively cheap to bring forth. However, the are a batch type of plastics such as Polyethylene Terephthalate, High Density Polyethylene, Polyvinyl Chloride, Low Density Polyethylene, Polypropylene, Polystyrene and many more. Different plastic have different strength, stamina, denseness, runing point, life clip and utilizations. Some can be make for nutrient container and some ca n't because incorporate chemical and toxic. Some can be make for utilizing in high force per unit area and high temperature. The following tabular array illustrates the most common types of plastics used, their applications and the symbol which is frequently used to place them on signifiers of plastic packaging. Polymer Types Examples of applications Symbol Polyethylene Terephthalate Fizzy drink, H2O bottles, salad trays, medical specialty containers High Density Polyethylene Milk bottles, bleach, cleaners and most shampoo bottles. Polyvinyl Chloride Pipes, adjustments, window and door frames ( stiff PVC ) , thermic insularity ( PVC froth ) and automotive parts. Low Density Polyethylene Carrier bags, bin line drives, boxing movies. Polypropylene Margarine bath, microwaveable repast trays, besides produced as fibers and fibrils for rugs, wall coverings Polystyrene Yoghurt pots, foam beefburger boxes and egg cartons, fictile cutter, protective packaging for electronic goods and playthings. Insulating stuff in the edifice and building industry. Unallocated Mentions Any other plastics that do non fall into any of the above classs – for illustration polycarbonate which is frequently used in glazing for the aircraft industry Table 1. Type of plastic, application and symbol ? Plastic recycling procedure There are three cardinal factors when believing about how to recycle – The 3 R ‘s: Figure 1. 4 Recycling is an first-class manner of salvaging energy and conserving the environment because 1 recycled fictile bottle can salvage adequate energy to power a 60-watt visible radiation bulb for 3 hours. 4 To make the recycle procedure, there are a few stairss such as shredding, dividing, runing and remanufacturing. These are the common measure to make the recycle procedure but different type of plastic required different measure of remanufacturing. Shreding Figure 2. 4 Shreding is a cutting procedure. We will set all the fictile waste into a shredding machine and the machine will tear up the waste until it ‘s become little pieces or grain. WRAP ( 2008 ) Plastic type, Available at hypertext transfer protocol: //www.wrap.org.uk/manufacturing/info_by_material/plastic/types_of_plastic.html 4 FUBRA LIMITED ( 2003-2008 ) Recycle at place, Available at hypertext transfer protocol: //www.recycling-guide.org.uk/rrr.html Separating Figure 3. 4 There are 3 phases of dividing. Blowing, drifting and centrifution. Once we finish tear uping all the waste, we will make a blowing procedure. This procedure is to take all the unwanted igniter stuffs such as paper labels and mulcts. Before the grains go into a floating procedure, it must travel into a scrubber machine. During this procedure, the grain will be washed with a particular detergent. This is to take the nutrient that might stay on the inside surface of bottles or containers, gum that is used at the label ‘s containers and any soil that might be present. After that, it will travel into drifting container. In this container, the grain will be drain with H2O. Then we will see that all the heavier grain like Polyethylene Terephthalate ( PET ) will be sink while the lighter grain like Polypropylene ( PP ) and High Density Polyethylene ( HDPE ) will be drifting at the top. So, we have separated the different type of plastic. The last measure of separating is a centrifution. This measure is similar with a blowing procedure. Melting Figure 4. 4 Once we done separated the fictile base on their group, we have to run it. Different group require different thaw point. For illustration, the thaw point for HDPE is 130-135 & A ; deg ; C while the thaw point for LDPE is around 110-115 & A ; deg ; C. After that, it will travel into a chilling procedure and will be cut to go a little flake. This flake is called ‘pallet ‘ . Pallet is a fictile natural stuff and this procedure is called ‘repelletizing ‘ . 4 FUBRA LIMITED ( 2003-2008 ) Recycle at place, Available at hypertext transfer protocol: //www.recycling-guide.org.uk/rrr.html Remanufacturing Figure 5. Injecting mould 4 Figure 6. Calendaring 4 This is a last measure before the wastes become a new merchandise. Once once more, there are many type of remanufacturing such as injection mold, blow mold, calendaring, extruder, thermoforming and many more. Most of the plastic merchandises are made by injection molding. Example of the merchandises are fork, spoon, home base, bowl, toys, disc casing and many more. Blow mold is merely for green goods bottles and the calendaring is for doing a fictile sheet. Extruder is a procedure to do a long tubing or hosiery. Future development Plastic being used widely for our day-to-day needs – plastic bag, nutrient container, bottle, packaging, etc. Therefore, a batch of plastic is required and there should be new coevals, development and uninterrupted research to counterbalance with today ‘s life style. Invention is really indispensable to procure a strong hereafter for the interest of environmental protection and the sustainability of merchandises based from plastic. Therefore, technology company will be given to plan more sophisticated machine which can recycle the plastic with assortment of advantages in footings of quality of merchandise, cost of production and clip consuming. Beside that, we besides have to believe about a new merchandise made by plastic in order to replace other merchandise which have been made by other stuff such as steel. For illustration, auto organic structure. Currently, about 95 % of the auto organic structure in the universe utilizing steel and merely 5 % is utilizing C fiber. This is because, the cost to bring forth the C fiber is so high. As a consequence, we need to make a research to better the plastic capableness. Once we archive the hereafter program, we will be able to increase the demand of plastic. Stating that point, authorities may be can do an offer to purchase a fictile waste from people. As a consequences, people are seeking to maintain their fictile waste and sell it. In the other manus, we are non merely can cut down the waste but we manage to bring forth some gross. Decision Recycling is the best solution for waste direction and to derive sustainability stuff. It is non easy to develop new engineerings and methods for recycle. Therefore, allow us made usage of it sagely and pull off this waste decently even though the utilizations of plastic is acquiring higher. 4 FUBRA LIMITED ( 2003-2008 ) Recycle at place, Available at hypertext transfer protocol: //www.recycling-guide.org.uk/rrr.html

Chinua Achebe As A Nigerian English Novelist Essay

CHINUA ACHEBE AS A NIGERIAN ENGLISH NOVELIST Abstract: Chinua Achebe is the most widely read African novelist in the world today. He has encompassed in his novels one century of history of Nigeria. Achebe highlights various aspects of the Ibo culture in his novels-â€Å"Things Fall Apart†, â€Å"No Longer at Ease†, â€Å"Arrow of God†, â€Å"A Man of the People† and â€Å"Anthills of Savannah†. He is regarded as the invention of the African literature. He takes pride in being ‘a teacher’ of his society and calls upon his fellow writers to turn their attention to African life, culture and ethos. Keywords: Ibo Culture, thrive, innovative, appalling, roaring flame, spanning, synthesis and erstwhile _______________________________________________________________ Introduction: Chinua Achebe, the Nigerian Novelist seen by millions as the father of modern African Literature, has died at the age of 82 on 22-03-2013 in Boston in the USA. He was born in 1930 0n 15th November in a village called Ogidi in Eastern Nigeria in Africa. His mother tongue is Ibo. His parents were Christians. His father was a teacher in a missionary school in Ogidi. Young Achebe went to this school for his early education. When he was eight he began to learn English and at fourteen he attended Government College at Umuahia. He intended to study medicine but soon switched to English literary studies. He went to the University of Ibadan where he studied English, history and theology. After graduating in 1953, he decided to beShow MoreRelatedChinua Achebe s Life Of Literature999 Words   |  4 PagesEssay: Chinua Achebe Chinua Achebe is a renowned Nigeria novelist lauded for his work in literature. Chinua Achebe has been credited with numerous works of literature ranging from novels to journals. His work cuts across borders, making huge success and accepted globally in the world of literature. Even critics had to accept Chinua Achebe is the greatest our time, such was Charles H Rowell a literary critic issued in Callaloo a reputable magazine. There was no surprise when Chinua Achebe wonRead MoreChinua Achebe s Life Of Literature830 Words   |  4 Pages Chinua Achebe is a renowned Nigeria novelist lauded for his work in literature. Chinua Achebe has been credited with numerous works of literature ranging from novels to journals. His work cuts across borders, making huge success and accepted globally in the world of literature. Even critics had to accept Chinua Achebe is the greatest our time, such was Charles H Rowell a literary critic issued in Callaloo a reputable magazine. There was no su rprise when Chinua Achebe won the 1972 Commonwealth prizeRead MoreThings Fall Apart by Chinua Achebe1324 Words   |  6 Pages Chinua Achebe chose to write his novels in English to reveal a deep response of his people to colonisation and to make that response understood to people all over the world. Things Fall Apart was written in English to teach people worldwide of the struggles he faced and the people of Nigeria faced growing up. Many authors and critics have written about Achebe’s ‘Things fall apart’ adding their valued opinion on what he was trying to say and his decision to write in English. In the followingRead MoreBiography of Chinua Achebe2083 Words   |  9 PagesChinua Achebe: Africa most beloved author The Prominent Igbo writer, famous for his novels describing the effects of western customs and values on traditional African society. Achebe’s satire and his keen ear for spoken language have made him one of the most highly esteemed African writers in English. Chinua Achebe was born in eastern Nigeria on November 16, 1930 Isaiah and Janet Achebe (Bucker pars.1). Isaiah Okafor Achebe was a catechist for the Church Missionary Society and his wife to traveledRead MoreThe Conflict Between Tradition And Western Influence On Nigeria1665 Words   |  7 Pageswrote, â€Å"There is no country in the world with the diversity, confidence, talent and black pride like Nigeria.† There is certainly truth to these words. The west african country of Nigeria has proven itself to be a successful and enduring land. As the English began exploring and colonizing the land grounded in tradition and folklore, Nigeria effectively adapted and grew. Even when torn apart, Nigeria has pulled itself back together and grown stronger. There are many aspects to Nigeria’s culture that areRead MoreChinua Achebe : The Invention And Mastery Of Modern African Literature1695 Words   |  7 Pages In her essay Chinua Achebe: The Invention and Mastery of Modern Af rican Literature Emeka Aniagolu labels Chinua Achebe as â€Å"the single most important literary figure in modern African literature† (1). Aniagolu goes on to praise Achebe as â€Å"perhaps the most well-known, most widely read, most translated, and most widely respected modern African writer, novelist and polemical essayist†, especially considering he as been crowned as the inventor of modern African literature (1). The praise he has receivedRead MoreChinua Achebe : The Invention And Mastery Of Modern African Literature1595 Words   |  7 PagesColleen ODonnell ENG 290 Professor Mann 7 December 2015 TITLE In her essay Chinua Achebe: The Invention and Mastery of Modern African Literature Emeka Aniagolu labels Chinua Achebe as â€Å"the single most important literary figure in modern African literature† (1). Aniagolu goes on to praise Achebe as â€Å"perhaps the most well-known, most widely read, most translated, and most widely respected modern African writer, novelist and polemical essayist†, especially considering he as been crowned as the inventorRead MoreChinua Achebe’s Things Fall Apart: Exploring the Ibo Culture1743 Words   |  7 Pagesmarginalization is the marginalization of women. This paper is an attempt to explore the Ibo culture and to discuss women as a marginalized group in Chinua Achebe’s Things Fall Apart. Things Fall Apart is a 1958 English novel by Nigerian author Chinua Achebe. Achebe is indebted to Yeats for the title as it has been taken from Yeats’ poem The Second Coming. Achebe is a fastidious, skillful artist and garnered more critical attention than any other African writer. His reputation was soon established afterRead More Things Fall Apart by Chinua Achebe Essays2075 Words   |  9 PagesThings Fall Apart by Chinua Achebe Things Fall Apart by Chinua Achebe is a story about personal beliefs and customs, and also a story about conflict. There is struggle between family, culture, and the religion of the Ibo, which is all brought on by a difference in personal beliefs and customs of the Igbo and the British. There are also strong opinions of the main character, Okonkwo. We are then introduced to the views of his village, Umuofia. We see how things fall apart when these beliefsRead MoreChinua Achebes Heart of Darkness and Racism Essay2055 Words   |  9 PagesChinua Achebes Heart of Darkness and Racism The Nigerian novelist Chinua Achebe made claims in the 1970s that Heart of Darkness was a racist novella. My initial thoughts on this are yet to be decided during the course of this essay. While my thoughts are yet to have any significance, I do believe that Chinua Achebes remarks hold some truth. Achebes theory assumes that Marlow and Conrad are the same voice. This could be a reasonable assumption as research into