INVESTIGATORY PROJECT GROUP 2 Background of the Study Electricity is the physical phenomena arising from the behaviour of electrons and protons caused by the attraction of particles with opposite charges and the repulsion of particles with the same charge. Electricity from a lemon is possible to get electricity from a lemon using strips of metal. The most readily available combination is copper and zinc. The zinc piece can be taken from the casing of an old carbon "D" cell (battery);
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that the rays where deflected by magnetic and electric fields‚ they were electrically charged. So‚ by measuring the deflecting cathode rays and how they were deflected by the different fields he was able to figure out the ratio between the electric charge and the mass of the ray’s e/m = 1.8 10-11
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taxable supplies does not reach the prescribed threshold. Therefore‚ such businesses cannot charge and collect GST on the supply of goods and services made to their customers. Nevertheless‚ businesses can apply to be registered voluntarily. Businesses making taxable supplies have to be registered under GST if their annual sales turnover has exceeded the prescribed threshold. Only a registered person can charge and collect GST on the taxable supplies of goods and services made by him. GST is charged
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attract when held some distance apart‚ charges can either repel or attract when held some distance apart. An alternative to describing this action-at-a-distance affect is to simply suggest that there is something rather strange about the space surrounding a charged object. Any other charged object that is in that space feels the affect of the charge. A charged object creates an electric field - an alteration of the space in the region that surrounds it. Other charges in that field would feel the unusual
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is a development of experiential observations of micro-vortex formation by Zackary Chiragwandi and colleagues at Göteburg University and Chalmers University. We believe the effect to be a surface effect‚ enhanced by the concentration of surface charge. We believe edge effects are important as they provide a structure for the initiation of the flow. We have attempted to link our Spinlet theory with our observations and those of Shiryaeva et al. We have made and tested a novel prediction that
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magnitude of their charges & inversely proportional to the square of the distance between them -k is Coulomb’s constant -q1 and q2 are the charges (measured in Coulombs; 1 Coulomb (C) = 6.3 x 1018 electrons) -charge of a proton = e = 1.6 x 10-19 C; charge of an electron = -1.6 x 10-19 C -r is the distance between charges along the same line *Coulomb’s Law applies only to point charges or particles & to spherical distributions of charges -Fe is attractive if charges are of opposite
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neutral i.e. they have the same amounts of negative and positive charge inside them. The electrons carry negative charge and the protons carry positive charge. The basic unit of charge (called the elementary charge)‚ is the amount of charge carried by one electron. The charge on a single electron is qe = 1‚ 6x10−19 C. All other charges in the universe consist of an integer multiple of this charge (i.e. Q = nqe). This is known as charge quantisation. All the matter and materials on earth are made
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GRAVIMETRIC ANALYSIS Methods in GA Precipitation Method - involves isolation of an ion in solution by a precipitation reaction‚ filtering‚ washing the precipitate free of contaminants‚ conversion of the precipitate to a product of known composition‚ and finally weighing the precipitate and determining its mass by difference. From the mass and known composition of the precipitate‚ the amount of the original ion can be determined. Volatilization Method -the analyte or its decomposition products
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Brand equity is defined as the name‚ sign‚ term‚ symbol or design of what makes the goods or services different from those competitors and for seller groups. Although‚ the meaning indicates that it is the added value that has been brought with product or service; reflecting the consumers’ response: satisfaction‚ expectations‚ etc. 1) Evaluate American Express in terms of ‘brand equity’ What are the benefits‚ strengths and weaknesses associated with the company? American Express is an American
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end would be attached to a cable. This cable would lead down to the ground where it would be buried very deep. The cable was to transmit the electric charge from the lightning on to the ground‚ thereby preventing a fire. Robert Millikan was an American experimental physicist‚ and Nobel Peace Prize winner in physics for his measurement of the charge on the electron and for his work on the photoelectric effect. He served as Chair of the Executive Council at Caltech from 1921 to 1945‚ that school ’s
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