Problem with non linear increase in voltage/amperage

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SUMMARY

The discussion focuses on the behavior of thermoelectric generators, specifically the observed phenomenon where increasing the number of generators in a circuit leads to a slowed increase in voltage while the amperage increases more rapidly. This inverse relationship is attributed to the internal resistance of the generators, which affects the overall voltage output as more generators are added. The use of .22 gauge iron and constantan wire at a temperature of 353 K is noted, emphasizing the importance of internal resistance in understanding the circuit's performance.

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samsanof
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Homework Statement


Please try to keep this simple, I'm only fourteen. I was testing thermometric generators and the voltage and amperage generated at with increased efficiency. I noticed that when I increase the number of generators per circuit, the voltage increase slowed and the amperage increase accelerated. The two were inversely proportional to each other. Does anyone know why the voltage increase slowed down?

I was using .22 gauge iron wire and .22 gauge constantan wire, at a temperature of 353 K.

I have linked an image to the graphs from the experiment.

http://i.imgur.com/4sPIjsG.png


Homework Equations





The Attempt at a Solution

 
Last edited:
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samsanof said:

Homework Statement


I noticed that when I increase the number of generators per circuit, the voltage increase slowed and the amperage increase accelerated. The two were inversely proportional to each other. Does anyone know why the voltage increase slowed down?

Adding a generator increases the output voltage and if the load is resistive that increases the current. If the generators have significant internal resistance then the increasing current reduces the voltage all of them deliver not just the new one. That could explain why the voltage increase slows down.

However it doesn't explain why the current increase accelerated. It only explains why the current increases.
 

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