Two Circular disks spaced 0.5 mm form a parellel plate capacitor. Transfering 3 * 10 ^9 electrons from 1 disk to another causes the electric field strength to be 20 * 10 ^ 5 N/C.
What are the diameters of the Disk ?!
ANY help please?

Question

Two Circular disks spaced 0.5 mm form a parellel plate capacitor. Transfering 3 * 10 ^9 electrons from 1 disk to another causes the electric field strength to be 20 * 10 ^ 5 N/C. 
What are the diameters of the Disk ?! 
ANY help please?

anonymous · Answer

man .... i found a similar question just check it out and you will be able to solve it

anonymous · Answer

http://www.physicsforums.com/showthread.php?t=336729

anonymous · Answer

hope it works :D

anonymous · Answer

ur not familiar with this lesson or what?!:P

anonymous · Answer

man this is in our A2's .... so i will be studying it next month ... :( ... i am sorry

anonymous · Answer

ohh its ok my friend... thanks for ur help anyways !!

anonymous · Answer

oh sorry i couldnt help

anonymous · Answer

its ok !