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How is resistance affected in a wire?
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Science Coursework Paul Naylor How is resistance affected in a wire? Plan: In my investigation I will be finding out necessary factors that affect resistance in a wire. To do this I will be looking at different lengths of wire, different thickness and different materials. The three materials we will be using are Copper, Nichrome and Constantin. In the investigation I will take three sets of the same results and at least 6 measurements of wire being resisted. This way I can work out an average and also plot a graph. Circuits: There are two types of circuits, parallel and series; in this instance we will be looking at the latter. Equipment: Voltmeter. Ammeter. Power pack. Crocodile clips. Wire. Different types of wires Length of wire. Thickness. Material. Diagram: Power pack The arrows are showing the way the conventional current goes. The conventional current goes from negative to positive. The actual current goes from positive to negative but when someone came up...
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