单词 | electric constant |
释义 | electric constant [i¦lek·trik `kän·stǝnt] ELECTRICITY The permittivity of empty space, equal to 1 in centimeter-gram-second electrostatic units and to 107/4πc2 farads per meter or, numerically, to 8.854 × 10-12 farad per meter in International System units, where c is the speed of light in meters per second. Symbolized ∊0. |
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