- #1
PVJ2016
- 3
- 1
Hi everyone, so I'm trying to achieve IV curves based on how this website had done below:
http://www.voltaicsystems.com/blog/solar-charger-tutorial-part-2/
But whenever I increase the resistance, the amperage increases rather than decreases! For example, when I use a 500 ohm resistor the amperage is 500 uA but when I use a 3.6 ohm resistor the amperage is 30 uA. The voltage seems to increase when more resistance is applied so nothing wrong there... could this be a problem with my multimeter? I tried this with two different solar cells and both have the same issue. BTW, I am a total noob when it comes to this stuff so anything is much appreaciated :)
also, this is how I am hooking up the resistors:
http://www.mtmscientific.com/solar4.jpg
http://www.voltaicsystems.com/blog/solar-charger-tutorial-part-2/
But whenever I increase the resistance, the amperage increases rather than decreases! For example, when I use a 500 ohm resistor the amperage is 500 uA but when I use a 3.6 ohm resistor the amperage is 30 uA. The voltage seems to increase when more resistance is applied so nothing wrong there... could this be a problem with my multimeter? I tried this with two different solar cells and both have the same issue. BTW, I am a total noob when it comes to this stuff so anything is much appreaciated :)
also, this is how I am hooking up the resistors:
http://www.mtmscientific.com/solar4.jpg