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Electric field in a capacitor with a dielectric
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[QUOTE="kuruman, post: 5869434, member: 192687"] Consider the space between the plates as being stacked capacitors in series. Consider one of them having "plate" separation dy at distance y from the bottom plate. Find an expression of its capacitance dC. Now you want the entire capacitance of all those capacitors in series that make up the space between the plates. Add them up as you would for capacitors in series, but you need to an integral. This will give the capacitance C. Knowing C, you can find the charge Q on the plates that the battery put on. Knowing Q you can find E between the plates. Whatever you do, don't assume that the field is uniform between the plates, so V = Ed does not work here but Q = CV is always valid. [/QUOTE]
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Electric field in a capacitor with a dielectric
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