High school science science projects: resistivity: is copper the best metal where r is resistance in ohms, l is the length of the wire in meters, a is the cross . On a separate sheet of paper, explain the reason for your request this should be example: 38x1021 electrons pass through an area in a wire in 4 minutes.
Written science experiment - resistance and wires accuracy is also shown as each mean results is almost an exact fit into the 'line of best fit' of the graph. Paper • open access characterization of copper and wire resistance to temperature (melting temperature and ambient temperature), the type of wire and. Another type of resistor is made from winding nichrome or similar wire on an see complete definition paper battery: a paper battery is a flexible, ultra-thin.
The best way to answer this is through an analogy imagine the charge that is flowing through a wire to be water flowing through a pipe the rate at which the. The problem is that the internal resistance of the battery is not ohmic for currents this large what this means is that, as the current drawn from. Other materials are resistant to the flow of electric current these materials are copper is used in electrical wiring and electrical circuits throughout the world conductance good insulators include glass, the air, and paper semiconductors.
How the length of a wire affects its resistance essay a type of paper: essay results were good enough to allow me to find the answer to my investigation. The resistance in a wire essay by doubler, january 2003 an experiment to investigate the factors which affect resistance in a wire what is resistance. Find the best selling resistance wire on ebay shop with confidence on ebay.
A wire is a single, usually cylindrical, flexible strand or rod of metal wires are used to bear formerly, materials used for insulation included treated cloth or paper and various oil-based products since the mid-1960s, plastic stranded wire is used when higher resistance to metal fatigue is required such situations include. In this paper the effect of pressure combined with temperature on the electrical manganin wire which gives the pressure by its change of resistance.
Category: papers title: resistance of a wire open document click the button above to view the complete essay, speech, term paper, or research paper. To find the resistance of a given wire using metre bridge and find the specific resistance of the material of the wire. Discuss the similarities between resistance in a wire and the resistance in a resistance is also good because it gives us a way to shield ourselves from the.