Hazards of Static Electricity; Lightning Lightning is a massive electrostatic discharge between the electrically charged regions within clouds or between a cloud and the surface of a planet. It is the sudden high-current discharge caused by the atmosphere’s electrical breakdown. Lightning is also one of the most deadly natural phenomena known to man. Lightning is an electric current; thus within a thundercloud up in the sky‚ many small bits of ice (frozen raindrops) collide into each other as
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Atomic Structure & Electricity 1. Draw an atom with an atomic number of 12. Label the protons‚ neutrons‚ and electrons. Use the periodic table to identify which atom you have drawn. 2. How many valence electrons are present in this atom? 2 3. Would this atom prefer to gain or lose electrons? Why? Lose‚ because the octet rule dictates that if there is less than 4 valance electrons‚ they would prefer to leave the atom. 4. Describe the differences between conductors‚ semiconductors
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WEST BENGAL STATE ELECTRICITY DISTRIBUTION COMPANY LIMITED Technical Specifications for A.C. Single Phase ‚ 2Wire Solid State ( Static) Fully Electronic Energy Meter Accuracy Class: 1.0 ‚ Current Rating (5-30) A‚ With Backlit LCD Display for 240 V System Fitted inside Pilfer Proof Meter Box 1.0 SCOPE a) This specification covers design‚ engineering‚ manufacture‚ testing‚ inspection and supply of A.C. Single phase‚ two wire solid state (static) fully electronic energy meters of accuracy class 1
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Current electricity: 1) Give an equation to calculate resistance. 2) Give the meaning and the unit of each symbol. 3) Complete the following table Resistance (Ω) | Current strength (A) | Potential difference (v) | | 12 | 38 | | 0.4 | 32 | 75 | 96 | | 36 | 15 | | 75 | | 0.25 | 135 | | 27 | 4) An electric frying pan is connected to a 220V power point. If the current in the element is 12 A‚ calculate the resistance of the element 5) What will the current
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CHAPTER 1 INTRODUCTION 1.1 Introduction ZESA (Zimbabwe Electricity Supply Authority) SMS Billing System is a web based system which is designed to address the critical requirements of the billing system through the use of a message using a cell phone. It provides enquiries about the customer‚ the customer ’s location‚ cellphone number‚ meter reading date‚ billing date‚ due date and the balance to be paid. This system is going to help easy access to the customer’s account details. It can also
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INSTRUCTIONS All working must be CLEARLY shown Use sketches where necessary to support your answers Silent electronic calculators may be used Students MUST answer ALL questions in Section A and any THREE in section B All questions should be answered using standard english DO NOT TURN THIS PAGE UNTIL YO ARE TOLD TO DO SO Section A: Short answer questions. Answer ALL TEN questions. 1. Draw a labeled diagram of an atom 2.
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Life Before The Internet Versus After The Internet Before the internet patients was a requirement when it came to acquiring information and communicating with others. Now you can get nearly anything you may need or want without having to leave your desk. Life before the internet made researching a subject a daunting task. Spending hours on end at the public library if not days if you didn’t understand the Dewy Decimal System to find enough information to write an essay. That compared to life
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The films Before Sunrise and Before Sunset are said to represent the so-called slacker genre. Slackers are individuals in society who have no direction and no reasonable expectation or realistic goals in life. This term is mainly used with Generation X’ers (people born between 1961 and 1981) (Casto‚ “What’s A Slacker Movie?”). Slacker movies are films that deal with the ordinary day-to-day life of these people. In Before Sunrise and Before Sunset the characters sense of wandering and the feel of
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Essay # 2 In October of 2007‚ I gave birth to a new life. I had a beautiful baby girl whom I named Melina Claire. I knew Motherhood was not going to be all about cherry’s and butterflies. I knew it was definitely going to be challenging‚ joyful‚ trying‚ and full of different experiences. Thirteen months later I gave birth to a baby boy named Alex Jacob. My life has changed for the better of course‚ but it is also very different. Life before and after having children has its ups‚ downs‚ similarities
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discovery of gold by James Marshal in a stream near Sutter’s Mill Fort sparked the beginning of this historic event. The results forever changed California. The towns‚ population‚ and economic changes before‚ during‚ and after the Gold Rush proves the impact of this historical event. Life before the Gold Rush in California was simple. San Francisco was a small and unused town with very little excitement. It had a population of under 500 settlers‚ almost no women‚ and under 2‚000 Native Americans
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