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Voltage Drop PTC Thermistor

  1. Nov 23, 2017 #1
    1. The problem statement, all variables and given/known data

    2. Relevant equations
    I am not sure exactly what this question is asking for, especially in regards to the voltage drop. How would the graph of voltage drop vs Rmax-Rmin be any different to what is already provided?

    3. The attempt at a solution
  2. jcsd
  3. Nov 25, 2017 #2


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    I'm not sure I can solve the whole problem but since you haven't had a better answer...

    The existing graph shows Resistance vs Temperature for various voltages. The question asks you for a graph with different axis but I don't think they want voltage drop vs Rmax-Rmin. They want "voltage drop per grain boundary" vs the PTC (calculated over Rmax-Rmin).
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