Resistance of a Wire
Type of wire
I chose to investigate how length affects the resistance in a wire. This means that the other factors (variables) must be controlled. This means I must keep the same type of wire, the same material of wire (a preliminary experiment will help determine this), and the same cross sectional area and maintain a constant temperature of the wire as any increase in temperature increases resistance. These factors must me kept controlled to ensure a fair test.
I conducted a preliminary experiment to determine the best wire to use for my experiment. …
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