What are the diameters of the disks

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Here is the problem which I am struggling on, please help me!

Problem: Two identical closely spaced circular disks form a parallel-plate capacitor. Transferring 1.8 × 109 electrons from one disk to the other causes the electric field strength between them to be 2.0 × 105 N/C.

A- What are the diameters of the disks?

Explain each step of calculation for help.

Reference no: EM13687468

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