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To investigate the resistance of different materials in the form of wirer, resistors and other materials.
Member rating: No Rating | Words: | Submitted: Wed Aug 27 2003
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Ohms Law Planning A: Aim: To investigate the resistance of different materials in the form of wirer, resistors and other materials. Hypothesis: The shape, the thickness, the length of the resistor and the material that makes up the resistor itself will affect the electric conduction capability (resistance). Electrons can create a current, so the more free electrons there are, the more conducting capability that material has that is why metals conduct. Materials with wider diameter have more free electrons because the surface area is bigger compared to length so more electrons are free per cm as example. So if a cable is bigger in diameter it should have less resistance. Resistance will also increase as the length of the wire increases because electrons will be slowed down while traveling. Safety Measures: While electricity is dangerous and should be respected, it is important to understand how to with handle it to avoid a shock. Be careful...
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