WIRELESS POWER TRANSMISSION TO SENSORS USING MOBILE CARRIER HOSTS NAVIN SRIVASTAVA1‚ ARUSH SAXENA2 & CHETALI TYAGI3 1‚2&3 Dept. of Electronics Engineering‚ Bharati Vidyapeeth Deemed University‚ Pune‚ India Abstract- Wireless Sensor Networks are equipped with batteries with limited charge‚ and are often deployed in conditions that make their retrieval and replacement infeasible. Wireless Sensors‚ especially used for surveillance at the warfront in defense along with combat equipment and
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the end of this topic you will be able to; describe‚ by drawing a graph‚ the effect of a capacitor on the output waveform from a rectifier; know that the size of the ripple voltage is dependent on the method of rectification‚ the values of capacitance and load resistance; describe‚ by drawing graphs‚ the effect of loading on the output waveform of a smoothed rectifier. Capacitive smoothing. In our work on power supplies so far we have determined how to calculate the peak value of the output
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Guess Paper – 2011 Class – XII Subject –Physics Time-3 hr. Date- 10/02/11 Marks-70 General Instructions: i) All questions are compulsory. ii) There are 30 questions in total. Questions 1 to 8 carry one mark each‚ questions 9 to 18 carry two marks each‚ questions 19 to 27 carry three marks each and questions 28 to 30 carry five marks each. iii) There is no overall choice. However ‚an internal choice has been provided in one question of two marks‚ one question of three
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This structural transformation gradually reduces the dielectric behavior of the Barium strontium titanate at nano scale. It was observed that Capacitance drastically reduced from 20.47 pF to 3.06 pF. Keywords: Sr-doped Barium Titanate powders‚ Structural ordering disordering‚ Phase transformation‚ heating‚ Particle size‚ Dielectric properties 1. INTRODUCTION Since Barium Titanate has a wide range
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connected directly with the neutral wire. If there is any leakage current‚ then it will act as phase to LCI‚ and it will start alarming us. Working procedure of lci The present invention uses a combination of resistances and capacitance to limit the level of AC leakage current present in the metal body of electric appliances. The output of current limiting circuit is then fed to a Bridge rectifier which converts AC into DC. Then DC output of Bridge rectifier is used to drive the
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INTERPRETATION OF RESULTS In the first experiment of the course‚ there are three objectives that are needed to be proven through different materials and procedures. The first is objective A‚ where we are to identify the values of the resistance and capacitance by measuring and computing. There are no problems about this part since the values are in agreement; meaning it only got a little amount of percent error. Next‚ objective B wants us to familiarize with the oscilloscope by setting it up to what the
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Generating Electricity 9 GENERATING ELECTRICITY 9.1 Safety Warning 9.2 Electrical Standards 9.3 Earth-fault protection 9.4 Generator Options 9.5 Using 3-Phase Induction Motors as Single-Phase Generators. 9.6 Electronic Load Control 9.7 Alternatives to load control 9.8 Selection and Sizing of Generator‚ Capacitors‚ Cable and Protection Equipment 9.9 Installation and Connection 9.2 Electrical Standards National electrical standards should be followed. In some countries‚ special standards for
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Solar seeker: In this project we design a solar seeker to follow a sun. solar seeker follow the sun and if the sensor attach on the sensor a sense a sun then solar seeker is stop automatically. Now after some time sun move from its position‚ then again seeker sensor sense the light and move the motor very slowly. If the sensor sense the signal then automatically stop the seeker . Movement of the seeker is restricted from left to right for limited area. To control the left and right limit
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A MINOR PROJECT REPORT ON “AUTOMATIC WATER LEVEL CONTROLLER” A Dissertation submitted on “AUTOMATIC WATER LEVEL CONTROLLER” Fulfilled as a part of curriculum in VI Sem of Bachelor of Engineering (Electronics and Communication) for Rajiv Gandhi Proudyogiki Vishwavidyalaya‚ Bhopal session-2011-12 Guided by: Submitted By: Prof.Rahul Pal Rohit Kumawat Co-guide:
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waxed paper‚ plastics‚ etc. The capacitance of capacitor is directly proportional to the surface areas and the inverse of the separation of the two conductors. The dielectric constant of the non-conductor is also affecting the capacitance. FIGURE 1 Capacitor symbol For an ideal capacitor‚ the capacitor current iC is proportional to the time rate of change of the voltage across the capacitor: Where C is the proportionality constant and is known as capacitance. (b) Inductor Inductor is
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