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Investigate how the length of a wire affects the resistance flowing through it.
Member rating: No Rating | Words: | Submitted: Fri Mar 12 2004
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Physics coursework aim: My aim is to investigate how the length of a wire affects the resistance flowing through it. Scientific knowledge Current-current is measured in amps. Current is charged particles, which flow from a voltage source through conductive material to ground. Voltage-Voltage is measured in volts. Voltage is an electric potential difference between two points on a conducting wire. Voltage is like electrical pressure Resistance-resistance is measured in ohms. It is anything in the circuit that slows the flow down. Charge is measured in coulombs which is six million million million electrons. Electrons pass through the wire they collide with fixed atoms this slows them down. Collisions occur in the current flowing through a wire; the atoms, which the current the current collides with, are fixed until the current hits them this slows the electrons down. A section of wire will have the same amount of resistance as another piece of wire, which is the same material....
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