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resistance and ohm law

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Electricity Type of currents Moving charges Ohm low Power  Resistance: Ohm´s Law   What is Electrical Resistance? When electrons flow through a bulb or another  conductor, the conductor does offers some obstruction to the current. This obstruction is called  electrical resistance. The  longer the conductor  higher the resistance. The smaller […]

Injection Molding

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Injection Molding .   Video text. Read carefully the text and watch the Video about this Method of Processing Plastic. Injection molding is the most common method of producing parts out of plastic material. The process involves injecting molten plastic at high pressure into a mold shaped in the form […]