Physics: Dielectric Constant

A parallel plate capacitor has a capacitance of 9.1 μF when filled with a dielectric. The area of each plate is 2.0 m2 and the separation between the plates is 1.5 x 10-5 m. What is the dielectric constant of the dielectric?

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  1. C=εε₀A/d
    ε=Cd/ε₀A =
    =9.1•10⁻⁶•1.5•10⁻⁵/8.85•10⁻¹²•2 =7.7.

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