MHT CET Physics question
A parallel plate capacitor with air between the plates has a capacitance of 9 pF. The separation between its plates is ‘d’. The space between the plates is now filled with two dielectrics. One of the dielectrics has constant and thickness while the other one has dielectric constant and thickness . Capacitance of the capacitor is now
Answer: (B)
Solution
The layers are in series: \dfrac{ε_0A}{\frac{d/3}{3}+\frac{2d/3}{6}}\dfrac{ε_0A}${2d/9
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