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Math Help - Gradients?

  1. #1
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    Question Gradients?

    I have to find the gradients from the information it gives me, it has an example but I have no idea how it gets from there to the answer, the example is:

    Equation: R=V/I

    Then it says: x axis: voltage
    y axis: current

    Then it gives the answer: Gradient = 1/R

    But I don't understand how to get the answer from the information it gives me?

    Any help would be aprecated
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  2. #2
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    Re: Gradients?

    I assume V = voltage, is R current?
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  3. #3
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    Re: Gradients?

    I is current because R is resistance but I don't understand how to get the gradient from it?
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  4. #4
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    Re: Gradients?

    Well R = \frac{V}{I} \implies I = \frac{V}{R} which means I and V have a linear relationship. The gradient of this relationship is \frac{1}{R}
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  5. #5
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    Re: Gradients?

    Thank you
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