Resistance in wires.
Aim: To alter the length of wire and measure the effect on the resistance.
Apparatus: 3 wires of widths 28, 30 and 36.
1 ammeter - to measure the current in amps 4 crocodile clips - attach to the wires 6 leads - use to connect circuit Ruler - to measure length of wire Masking tape - measure and tape against the ruler Power pack - supply energy in volts Volt meter - measure the voltage in volts Variable resistor - control …
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…extremely thick widths or very thin. I would compare this to my present results and see if the readings are drastic. I think I could tested other materials such as copper. If I were to carry out the experiment using the copper wire instead of an alloy I would expect there to be less resistance. I would keep all the equipment the same as what I used for the alloy to keep the test fair.
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