Electric field at a distance from a charged disk
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Jan20-13, 07:43 AM
I have used the equation E=(Q/ε
This looks like the field from an
sheet of charge. You should write it as σ/2ε, where σ is the surface charge density. Not what you want.
I also tried the equation E=(Q/2(ε
That's the one you want, but you need to replace Q with σ.