the circuit: Light Dependent Resistors Light Dependent Resistors (LDR) are also called photoresistors. They are made of high resistance semiconductor material. When light hits the device‚ the photons give electrons energy. This makes them jump into the conductive band and thereby conduct electricity. A photoresistor or light-dependent resistor (LDR) or photocell is a light-controlled variable resistor. The resistance of a photoresistor decreases with increasing incident light intensity; in other
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Light pollution Light pollution‚ also known as photo pollution or luminous pollution‚ is excessive artificial light. This phenomenon is pronounced around urban centers‚ where city lights diminish the view of stars and planets. In addition to brightened skies around cities‚ light pollution also refers to any outdoor light that creates glare and interferes with the natural night environment. Cause Light pollution results from outdoor lights aimed
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Dispersion Of White Light by a Glass Prism: When a beam of white light is passed through a glass prism‚ it is split up into a band of colours called spectrum. This is called dispersion of white light. The spectrum of white has the colours violet‚ indigo‚ blue‚ green‚ yellow‚ orange and red (VIBGYOR). The red light bends the least and the violet light bends the most. A rainbow is a natural spectrum appearing in the sky after a rain shower. It is caused by the dispersion of sunlight by water
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The Hitchhikers Guide to the Internet 1 The Hitchhikers Guide to the Internet Ed Krol krol@uxc.cso.uiuc.edu Get any book for free on: www.Abika.com Get any book for free on: www.Abika.com The Hitchhikers Guide to the Internet 2 This document was produced through funding of the National Science Foundation. Copyright (C) 1987‚ by the Board of Trustees of The University of Illinois. Permission to duplicate this document‚ in whole or part‚ is granted provided reference is made
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Asia‚ and other international markets. The company is the world’s sixth largest producer of disposable baby diapers and the third largest marketer of brand-name disposable diapers in the United States. (Kerin and Peterson‚ 2010). The problems in the case that will be resolved is to decide if Drypers Corporation should move forward with its $10 million dollar television advertising campaign and to get a clear understanding of how the advertising campaign will benefit the company. As of now‚ it is clear
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Case Study 1: Martin Martin‚ a behavior analyst‚ is working with Sara‚ a 14-year-old girl with severe developmental delays who exhibits self-injurious behavior (SIB). The self-injurious behaviors included pulling her hair‚ biting her arm and banging her head against the wall. After conducting a functional analysis‚ Martin decided to employ an intervention program consisting of differential reinforcement of other (DRO) desired behavior. Martin collected data on Sara’s SIB before and during the intervention
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Applying “Visions of Light: The Art of Cinematography” After watching the film‚ “Visions of Light: The Art of Cinematography‚” I was introduced to the beauty of capturing perfected lighting‚ highlighting‚ and shadowing. Before watching this documentary‚ I never truly focused on how a scene was portrayed and why it made me feel how I did. After careful consideration‚ I have decided to apply my new knowledge to why I feel‚ “A Little Princess” has been perfected by cinematographer‚ Emmanuel Lubezki
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in the day time. Having observed these problems being encountered‚ this project will be developed to bring about the automation of the switching of lighting system using light depending resistor (LDR). The project is an electronic switch that is controlled (turned on and off) by the amount of light shining on the LDR. When light strikes the LDR‚ the switch opens (turns off); when the LDR is in darkness‚ the switch
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1. Some advantages to purchasing a two-wheeled trailer for each store are not having to pay shipping or delivery charges once the gym has been purchased and the customer can use the trailer without incurring an additional rental fee or cost to them as well as the convenience of the customer being able to take the gym home with them immediately. Some disadvantages would be primarily profit loss‚ inconvenience to many customers who do not have vehicles which accommodate trailer hitches‚ the liability
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LIVE AND LET LIVE LIFE IS not as simple as it was before. With scientific and technological developments‚ man has become obsessive of luxurious lifestyle. Materialism has grasped all of us. It has made man insensitive to the human emotions of pity‚ compassion‚ generosity and affection. All of us want to prosper with material comforts and thus‚ we venture into the mad ‘rat race’. In this materialistic world‚ we are governed by our instinct rather than our by conscience. This is the modern era
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