RC Circuits: A Guide About Circuits

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                                                  RC Circuit An circuit contains a single resistor, and a single capacitor . From your course textbook you should already know that a capacitor is a two-terminal device whose voltage, , and current, , satisfy the following relationship, This equation says that the current flowing through a capacitor is proportional to the rate at which voltage changes across the device’s terminals. The...

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Super Capacitor: Invention Charges Phones Instantly

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           Super Capacitor Phone Charger   California teen Eesha Khare was awarded a $50,000 prize at the Intel International Science and Engineering Fair for creating a breakthrough technological device that may revolutionize our experience with mobile devices. The futuristic gadget has the potential to fully charge cell phones in as few as 20 seconds flat. The device, which only so far has been used to power a light-emitting diode, also has...

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Contest Entry – The International Challenge on Economic Ideas

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The International Challenge on Economic Ideas (ICEI) is an international essay competition aimed towards undergraduate students from all over the world. ICEI is a nonprofit annual event that is organized by the Economics Student Association of Universitas Gadjah Mada (UGM). All participants are expected to elaborate on the theme  of “Financial Policy to Create Economic Sustainability”. Eligibility This is open to all undergraduate students...

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Jabir Ibn Hayyan: A Great Muslim Scientist

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                Jabir Bin Hayyan: The Father of Chemistry   Achievements: Jabir bin Hayyan prepared chemicals, discovered many acids, and prepared, as well as, improved many chemical processes. He stressed the significance of experimenting one’s theory, and this is why we see a lot of inventions and discoveries made by him. In fact, he was the one who introduced experimental techniques in the field of chemistry. He gave a detailed...

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Series and Parallel Circuits

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                                                           Series and parallel circuits: Circuits consisting of just one battery and one load resistance are very simple to analyze, sildenafil but they are not often found in practical applications. Usually, cost we find circuits where more than two components are connected together. There are two basic ways in which to connect more than two circuit components: series and parallel. First, search...

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