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. 2013 Aug 2;8(8):e69761. doi: 10.1371/journal.pone.0069761

Table 1. Essential physical properties of three basic electronic components.

Electronic components Units Formula Remarks
Resistor (R) Ohm (Ω) R = ρLS−1 ρ: Electrical resistivity (Ω·m)
L: Length (m)
S: Area (m2)
Capacitor (C) Farad (F) C = ε0εr Sd−1 ε0: 8.86×10−12 (Fm−1)
εr: Dielectric constant
S: Effective area (m2)
d: Thickness (m)
Inductor (L) Henry (H) L = 0.8r2N2(6r+9l+10d)−1 r: Average radius (m)
N: Coil number
l: Coil length (m)
d: Coil thickness (m)