You have three parallel plate capacitors, each consisting of two parallel disks

Question

You have three parallel plate capacitors, each consisting of two parallel disks of metal separated by a gap filled with some material. Rank the capacitors by their capacitances from highest to lowest, based on the provided plate radii (r), plate separations (d), and filler materials. Dielectric constants for each material can be found in the table to the right. Capacitor 1 (C1): r = 15.3 mm, d = 5.10 m, filled with air. Capacitor 2 (C2): r = 13.3 mm, d = 39.9 m, filled with diamond. Capacitor 3 (C3): r = 7.84 mm, d = 14.7 m, filled with Indium Antimonide (InSb).

Explanation / Answer

plate separation C2 C3 C1

Dielectric constant C3 C2 C1

Radii C1 C2 C3

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