A parallel plate capacitor with air in between the plates has capacitance of 9 µF .The…
Physics · JEE Advanced · NTA Exams — Electrostatics
A parallel plate capacitor with air in between the plates has capacitance of 9 µF .The separation between the plates is d .The space between the plates is now filled with two dielectrics .One of the dielectric has dielectric constant k1=3 with thickness d/3 and other one has dielectric constant k2=6 and thickness 2d/3 .The new capacitance will be
- 1.8 µF
- 20.25 µF
- 40.5 µF
- 45 µF
Answer
(C) 40.5 µ F
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