Pretty smart! http://screen.yahoo.com/lighter-gum-wrapper-140454242.html
N NuLED Jan 7, 2012 294 Joined Jan 7, 2012 Messages 294 Jul 17, 2013 #1 Pretty smart! http://screen.yahoo.com/lighter-gum-wrapper-140454242.html
N NuLED Jan 7, 2012 294 Joined Jan 7, 2012 Messages 294 Jul 17, 2013 #2 It might be interesting to measure the current on that. Do you think it will be over 10 Amps (the limit of most DMM)?
It might be interesting to measure the current on that. Do you think it will be over 10 Amps (the limit of most DMM)?
(*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator Jan 21, 2010 25,510 Joined Jan 21, 2010 Messages 25,510 Jul 18, 2013 #3 Nowhere near 10A. The AA battery is not capable of that sort of current
eKretz Apr 8, 2013 251 Joined Apr 8, 2013 Messages 251 Jul 18, 2013 #4 I checked some brand new freshly charged NiMH AAs (6 individual cells) with an ammeter at a dead short for just long enough to get a reading and they were able to generate ~4-6A, differed between cells.
I checked some brand new freshly charged NiMH AAs (6 individual cells) with an ammeter at a dead short for just long enough to get a reading and they were able to generate ~4-6A, differed between cells.
N NuLED Jan 7, 2012 294 Joined Jan 7, 2012 Messages 294 Jul 18, 2013 #5 How should we go about measuring peak current in series with that gum wrapper? It has to capture the MAX amperage before the connection breaks open.
How should we go about measuring peak current in series with that gum wrapper? It has to capture the MAX amperage before the connection breaks open.
eKretz Apr 8, 2013 251 Joined Apr 8, 2013 Messages 251 Jul 18, 2013 #6 You could use min/max on a multimeter or set a trigger on an oscilloscope. (Calculate 'I' after checking the resistance of the gum wrapper?)
You could use min/max on a multimeter or set a trigger on an oscilloscope. (Calculate 'I' after checking the resistance of the gum wrapper?)