MHT CET 2025 Physics question
A parallel plate air capacitor has capacitance Cp. It is equally filled with parallel layers of materials of dielectric constants and . Now its capacity becomes . The ratio of to is
Answer: (C)
Solution
"Equally filled with parallel layers" means two slabs, each of thickness and full plate area, stacked parallel to the plates, so they act as two capacitors in series. With : and . Series combination:
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