Can the Voltage Drop PTC Thermistor Homework Statement be Solved?

AI Thread Summary
The discussion centers on a homework question regarding the voltage drop across a PTC thermistor and how it relates to resistance changes. Participants express confusion about the specific requirements of the question, particularly the expected graph format. It is suggested that the desired output is "voltage drop per grain boundary" rather than a direct comparison of voltage drop versus resistance range. One participant seeks clarification on whether the initial part of the problem was resolved. The conversation highlights the challenges in interpreting the assignment's requirements.
fyush20
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Homework Statement



PTC.PNG

Homework 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?

The Attempt at a Solution

 

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  • PTC.PNG
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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).
 
Hi, I have this exact question, did you ever manage to solve the first part of the problem?
 

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