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Feb 18, 2016 at 19:02 comment added Marcus While I didnt think about the motion of the charges itself, Martin explains it excellently in his answer. What I am saying is, that you assumed the charges to be in the tube. You would have to work (spend energy) to get all those charges together.
Feb 18, 2016 at 18:39 comment added Shrey Gupta I am not trying to move the fixed charges at the ends of each tube. I am just moving the test charge.
Feb 18, 2016 at 18:33 history answered Marcus CC BY-SA 3.0