In this assignment‚ we are assign to construct a 2 button type Ac motor control system. The 2 type button means that there are only 2 buttons which is the stop button and the forward button. The successful build the whole system‚ a few component are very critical in this system. Circuit breaker First is the circuit breaker. Circuit breaker is a switch which is designed to prevent damaging the circuit when there is over load or short circuit. But the circuit breaker works differently compare
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------------------------------------------------- Physics syllabus dot point summary Nathan Kulmar ------------------------------------------------- Physics syllabus dot point summary Nathan Kulmar 8.2.1.1 describe the energy transformations required in one of the following: – mobile telephone – fax/modem – radio and television Energy is stored as chemical energy in the phone’s battery. Chemical energy is transformed into electrical energy to operate the phone. The microphone
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aluminium etc are good conductors. Similarly‚ some materials like glass‚ wood‚ paper etc. Also‚ find wide applications in electrical and electronic applications. These are called insulators. There is another category of materials whose ability to carry current‚ called conductivity‚ lies between that of conductor and insulators. Such materials are known as semi conductors. Germanium and silicon are two well-known semiconductors. 1.2 Atoms and elements Ordinary matter is made up of protons‚ neutrons
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October 21‚ 2013 LAW/421 University of Phoenix Material BUGusa‚ Inc.‚ Worksheet Use the scenarios in the Bugusa‚ Inc.‚ link located on the student website to answer the following questions. Scenario: WIRETIME‚ Inc.‚ Advertisement Has WIRETIME‚ Inc.‚ committed any torts? If so‚ explain. WIRETIME has committed Defamation in the form of trade libel against BUGusa‚ Inc. by taking out a print ad in an industry magazine (University of Phoenix‚ 2013). According to Melvin (2011) there are
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1. Physical Properties of Water and Ice 1. Molecular Weight: A. 18.01528 g/mol Water‚ Molar mass Triple Point The temperature and pressure at which solid‚ liquid‚ and gaseous water coexist in equilibrium is called the triple point of water. This point is used to define the units of temperature (the kelvin‚ the SI unit of thermodynamic temperature and‚ indirectly‚ the degree Celsius and even the degree Fahrenheit). As a consequence‚ water’s triple point temperature is a prescribed value rather
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Eric Warren SIMS 307: Systematic Innovation Homework #4 – Using a Small Set of Operators Consider the following problem formulator diagram. It describes the problem of how an object puncturing the radiator in your car (the thing holding the water for the cooling system) causes the water to run out so it cannot circulate through your engine and remove the heat. This allows the heat to build up and damage your engine. Below are several I-TRIZ operators. Each operator gives you a hint about some
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depends on the structure of the individual atoms in the material d. 3 or less valence electrons makes for a good conductor 11. Ferromagnetic: Very little to some ability to take on a magnetic field e. Diamagnetic- essentially an insulator f. Paramagnetic- Only magnetically attracted when an external magnetic force applied. i. Austenitic stainless steel 12. Voltage is the push Electromotive Force 1. Electromagnetic force is the electrical energy derived from
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shafts. This way of forming a building is well suited to hotel and residential buildings where the floor-by floor repetitive planning allows the walls to be vertically continuous and where they serve simultaneously as excellent acoustic and fire insulators between rooms and apartments. Advantages:- • Tensile reinforcement for areas where tension stresses occur in • Walls when wind uplifts stresses exceed gravity stresses. • High strength concrete has enable wall thickness to be minimized‚ hence
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rms voltage across the resistor and I is the rms in the circuit. Resistor-capacitor circuits A circuit with a resistor‚ a capacitor‚ and an ac generator is called an RC circuit. A capacitor is basically a set of conducting plates separated by an insulator; thus‚ a steady current cannot pass through the capacitor. A time-varying current can add or remove charges from the capacitor plates. A simple circuit for charging a capacitor is shown in Figure 2 . | | | | | | Figure 2 |
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Magnetic effect of electric current is one of the major effects of electric current in use‚ without the applications of which we cannot have motors in the existing world. A current carrying conductor creates a magnetic field around it‚ which can be comprehended by using magnetic lines of force or magnetic field lines. The nature of the magnetic field lines around a straight current carrying conductor is concentric circles with centre at the axis of the conductor. The direction of the magnetic field
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