Electrical conductor

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    Science Fair Outline

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    and ohms over several ranges of value. Conductor: Object allowing the transfer of electrons Insulator: Prevention of an object receiving an electric current. Resistance: Prevents passage of normal current (light bulb or LED; the object) Parallel: each resistor or light is independent. If one goes out, the rest still stay one. Series: each light is dependent on another one. If one goes out, so do the rest. Scientists discovered potatoes are the best produce to conduct enough power to create electricity because they are rich in electrolytes and ions, have sturdy starch tissue, and can be stored easily. Different fruits rich in electrolytes that are good electrical conductors include strawberries, apples, lemons, corn, and artichokes. Alexander Rabinowitch, an affiliated research scholar, A fruit is able to conduct electricity because they contain acids that act as salt bridges to conduct the electricity. It then transfers electrons from one to point to another, producing a…

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    The power pack was connected to a non-power electrical outlet. 2. Alligator-clip wires were attached to the D.C. outputs of the power pack. 3. An ammeter with already an alligator clip wire attached, was connected to one end of a wire that was attached to the power pack (See Diagram A). 4. The opposite ends of the alligator clip wires were attached to either end of a 17.5cm long graphite pencil (making sure that both ends of the pencil were sharpened). 5. A voltmeter that had two alligator clip…

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    Terminology and units Current Current is a flow of electrical charge carriers, usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I. Potential difference The potential difference between two points.The units for potential difference are Joules per coulomb, or volts. (1 volt = 1 Joule/coulomb). Electrical charge Electric charge is carried by the electrons ( negative charge) and protons (positive charge) within an atom. The…

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    There are many factors that contribute to an ensembles’ sound. Most of which we spend our musical lives practicing; things like tone, vowels, diction, ect. As we begin to make the transition from ensemble member to leader we are thrown yet another contributing factor to sound: conducting. The art of conducting is a continuously growing set of skills for an individual. Many of the greatest conductors have spent decades perfecting their craft and creating their style, while building their…

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    Through a scientific invention the student will create a model that transmits electrical current and demonstrate that electricity travels in a closed path. Materials: (6) light bulb, (6) battery, (6) 6 in. insolated copper wires, (6) wire stripper, (6) switches, (21) safety goggles, (21) aprons, and boxes of gloves. Vocabulary: Circuit, closed circuit, open circuit, electrical circuit, electromagnetic, and parallel circuit Engaged: We are going to do a KWL chart to find out, what you know about…

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    Resistivity In Wire

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    This is resistance, which is measured in units called ohms. Resistance is a term that describes the forces that oppose the flow of electron current in a conductor. All materials naturally contain some resistance to the flow of electron current. We have not found a way to make conductors that do not have some resistance. If we use our water analogy to help picture resistance, think of a hose that is partially plugged with sand. The sand will slow the flow of water in the hose. We can say that…

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    measured in Ohm-meters (Ω-m). Electrical resistance (R) is the opposite of the flow of electrons, or the passage of an electrical current. Electrical conductivity (σ) is the opposite of resistivity and is measured in Siemens (S). Electrical conductivity is defined as; the degree to which a specified material conducts electricity, calculated as the ratio of the current density in the material to the electric field which causes the flow of current. In this experiment I am…

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    William Wade Unit 303 Task A 21/10/2016 1. A fault has occurred on the electric shower in one of the rooms. It was reported that • The shower was switched on. • A crackling sound was heard coming from the shower. • The lights in the room flickered and dimmed. • The shower went off. Describe the likely faults that could produce these symptoms. Lose terminal connections in the shower system could have caused the shower to crackle due to arching…

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    daily life activities are powered by electric motors. Motors transform electrical energy to mechanical energy, hence they are essential for energy conversions in electrical machines. All types of electrical motors are made up of a stationary field referred to a stator and a rotating field referred to a rotor. According to Krishnan, (2010), DC motors operate through the interaction of an electric current with magnetic flux to generate a torque and rotational speed. D.C motors are of different…

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    I graduated from the University of Houston, Texas with a Master of Science degree in Electrical Engineering with Thesis in May 2011. My engineering work experience as an Engineer-In-Training began at En-Fab, Inc. in Houston, Texas from June 2011 and since then I am working as an Electrical Engineer in this company. My engineering experience at En-Fab, Inc. entailed being a member of the project engineering group where I performed calculations for sizing of the motor and branch circuit overload…

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