NIGERIAN ECONOMY/GDP AND PRODUCTION Nigeria recorded a Current Account surplus of 11.60 percent of the country’s Gross Domestic Product in 2011. Current Account to GDP in Nigeria is reported by the African Economic Outlook. Historically‚ from 1980 until 2011‚ Nigeria Current Account to GDP averaged 1.2 Percent reaching an all time high of 37.9 Percent in December of 2008 and a record low of -18.7 Percent in December of 1986. The Current account balance as a percent of GDP provides an indication
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electric current it is known as direct current (DC). The other one is known as alternating current (AC). However‚ an electric current can be produce by moving a magnet inside a coil‚ wire‚ so the size of this induces current and it is able to increase by moving the magnet faster. This is using a stronger magnet‚ so increasing the number of the turns‚ coils. It may be able to increase its area but the dynamo is a type of electricity generator. Direct current If you flow the current in only
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changes are taking place in the electric energy industry worldwide. Many development came in this field to find how we can measure this energy effectively. First of all came conventional disc type energy meter in this interaction of flux produced by current coil and pressure coil create mechanical counter attached to spindle to which rotating disc is attached. Many times it becomes necessary to find out the energy consumption consumed by our house appliances we use. The project “ADVANCED ENERGY METER”
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25017 1 March 2013 Tesla vs. Edison Everyone knows who Thomas Edison is‚ and many attribute the “invention of electricity” to Edison‚ but this is simply not accurate. The truth is‚ while Thomas Edison did patent and market DC‚ or direct current‚ electricity‚ he did not “invent” electricity‚ and as a matter of fact‚ much of his work was actually basically stolen from other scientists‚ among them‚ one brilliant scientist‚ Nikola Tesla. We are all taught about Edison in school‚ but never once
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3: Current and Resistance Quick Quizzes - QUESTIONS 1. Consider positive and negative charges moving horizontally through the four regions in Figure 17.2. Rank the magnitudes of the currents in these four regions from lowest to highest. (Ia is the current in Figure 17.2a‚ Ib the current in Figure 17.2b‚ etc.) (a) Id ‚ Ia ‚ Ic ‚ Ib (b) Ia ‚ Ic ‚ Ib ‚ Id (c) Ic ‚ Ia ‚ Id ‚ Ib (d) Id ‚ Ib ‚ Ic ‚ Ia (e) Ia ‚ Ib ‚ Ic ‚ Id (f) none of these [pic] Figure 17.2 2. Suppose a current-carrying
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average resistance from 10 voltage and current measurements‚ and find the graphical resistance using a trend line. The results show that the average resistance calculated from 10 voltage and current readings and the graphical resistance were closest to the measured resistance‚ while the color coding resistance was furthest off. Introduction: Georg Simon Ohm established that current (I) in a wire is proportional to the voltage (V) applied to its ends. How much current flows in the wire depends on the
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BETWEEN TWO GEOLOGIC UNITS OF GREATLY DIFFERENT RESISTIVITIES P1 AND P2 . A. CALCULA TE THE DIRECTION THAT ELECTRICAL CURRENT WILL LEAVE THE BOUNDARY INTO P2 IF IT APPROACHES THE BOUNDARY AT AN ANGLE OF 45° TO THE NORMAL. B. CALCULATE THE ELECTRICAL POTENTIAL AT POINT A FROM A SINGLE SOURGE OF CURRENT ( +I ) A T POINT B. REMEMBER THAT THE BOUNDARY WILL CREATE A REFLECTED IMAGE OF THE CURRENT SOURCE WITH MAGNITUDE KI. FOR P1 = 100 Ωm AND P2 = 0.1 Ωm C. REPEAT (A) AND (B) FOR P1 = 100 Ωm AND P2 = 10000
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CHAPTER I ------------------------------------------------- INTRODUCTION 1.1 Introduction Portable electronic devices are very popular nowadays. As the usage of these portable electronic devices is increasing‚ the demands for longer battery life are also increasing. These batteries need to be recharged or replaced periodically. It is a hassle to charge or change the battery after a while‚ especially when there is no power outlet around. Therefore‚ our team is inspired to design a wireless
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REQUIREMENTS FOR THE DEGREE OF BACHELOR OF SCIENCE IN ELECTRICAL ENGINEERING OCTOBER 2010 I. INTRODUCTION An analog multimeter is a device that is composed of various meters combined. Such instrument can measure resistance‚ voltage and current. It is commonly known as volt-ohm meter or VOM. This device can also determine the continuity in a circuit and it measures with high accuracy. In this project‚ a VOM was built using the given parameters and tested it in various circuits. The knowledge
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since the fourth edition. • Sixth Edition: Printed in June 2006. Added CH 13‚ sections added‚ and error corrections made‚ figure numbering and captions added‚ since the fifth edition. ii Contents 1 BASIC AC THEORY 1.1 What is alternating current (AC)? 1.2 AC waveforms . . . . . . . . . . . . 1.3 Measurements of AC magnitude . 1.4 Simple AC circuit calculations . . 1.5 AC phase . . .
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