k is the dielectric constant, A is the area and d is the plate separation.
k = Cd/ε0A
(1 m)2 = (100cm)2
k1 = (d/ε0) × (2 × 10-9)/(4 × 10-4) = (5.0 × 10-6)(d/ε0)
Six parallel-plate capacitors of identical plate separation have different plate areas ,different capacitances ,and different dielectrics filling the space between the plates.
Part A. Rank the following capacitors on the basis of the dielectric constant of the material between the plates.
Rank from largest to smallest.
1. A = 4 cm2 C = 2 nF
2. A = 1 cm2 C = 1 nF
3. A = 2 cm2 C = 8 nF
4. A = 8 cm2 C = 2 nF
5. A = 4 cm2 C = 1 nF
6. A = 2 cm2 C = 4 nF
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