Resistivity of constantan wire - A Level Physics

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A no-frills guide to the practical where you deduce the resistivity of constantan wire. I've even included a short introduction to the use of a micrometer screw gauge, which you may find useful anyway.
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...LEARNED A LOT!
Can you tell me if it is easy to solder to constantan wire?
THANKS MUCH!!

dalenassar
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What do I do if I did the experiment and was not close to the true value of resistivity ☹️

emmaleanne
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I’m doing AQA A level, but oh well, I’ll stay subbed anyways

michaelhunt
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I have a question. Why aren't you comparing the obtained value to the theoretical value for resistivity of your particular wire (I mean material of the wire).

rufatmammadov
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I'm so fed up, I did this experiment and everybody in my class got similar results to you, but me. I did everything right, exactly like everyone else but my bloody results are 112:(((

hunnybean
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