QUOTE(mydragoon @ Feb 7 2013, 10:10 AM)
sorry... but what do you mean by "the way the connection is made from cable to phone and cable to charger"?
meaning, whether i roll them up, leave them straight, or whether the cable is on top a magnet or something?
i try to be consistent during the 'test' this morning... avoid moving the phone and cables too much. i placed them on the table at about the same place. the sockets in office... its on my desk. have got 4 sockets nearby (almost next to each other).
as for resistance... i understand. but the difference when i used the same cable is 'huge'.
one reading gave: 1300
another reading gave 1000
hi bro
let me give you simple illustration
water flowing through bigger diameter pipes will be faster than small diameter ones right?
if you have a water pump, pumping water through a long pipe. And that pipe has different diameters from start till end where the water flows out.
the final water flow rate will be determined by the smallest diameter in the entire pipe because it is the bottleneck of the entire system
imagine now
water = current
pipe = cable
your cable has many parts. the long cable itself. the connector to the USB port. the connector to the micro USB port
all these build up the entire cable "system". as shown in the above water example, as long as 1 of the part is not in optimum condition, it will drag the entire system down
as to your experiment, yes you try to use the same setup as close as possible but once you unplug and plug in again, you already change the settings a bit, so can affect the final current
just one thing to note
even those ori cable that can achieve 1800 constantly will also have this problem (unplug and after some time plug again will have different readings) but in my opinion, i think the ori cable has a higher current carrying capacity than 1800, so you can't see the difference.
but those not so optimum cables because it can't reach the max of 1800, any slight change, you see it
Example (assuming charger can reach 3A max current)
If
ori cable max current carrying capacity = 2300ma, when you plug and unplug it will varies between 2000ma to 2300ma. However because Note2 allows only max 1800ma, you can't see the change
If
non optimum cable max current carrying capacity = 1500ma, when you plug and unplug it will varies between 1200ma to 1500ma. But now you can see the change because it is below the max Note2 allowed current
Hope it make sense
NOTE : This is my theory only hah. I didn't do any scientific experiments to prove it
This post has been edited by brotan: Feb 7 2013, 10:31 AM