Two circular disks spaced 0.50 mm apart from a parrallel-platecapacitor. Transfe

Question

Two circular disks spaced 0.50 mm apart from a parrallel-platecapacitor. Transferring 1.60*10^9 electrons from one disk to theother causes the electric field strength to be 4.0*10^5N/C.
A) what is the diameter of the disks. I took the information in the problem and my constantsEo=8.85*10^-12 and changed my formula around to solve for A so Icould find the radius of the disks and then get the diameter. Butthe computer said it was wrong. Two circular disks spaced 0.50 mm apart from a parrallel-platecapacitor. Transferring 1.60*10^9 electrons from one disk to theother causes the electric field strength to be 4.0*10^5N/C.
A) what is the diameter of the disks. I took the information in the problem and my constantsEo=8.85*10^-12 and changed my formula around to solve for A so Icould find the radius of the disks and then get the diameter. Butthe computer said it was wrong.

Explanation / Answer

Where did you come up with that equation?

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