A slab of material of dielectric constant K has the same area as the plates of a parallel plate capacitor, but has a thickness 3d//4. Find the ratio of the capacitanace with dielectric inside it to its capacitance without the dielectric.
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Answer:
4k/k+3
Explanation:
4k/k+3
If a dielectric slab is partially filled between the plates
ea/d-t+t/k
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