A parallel-plate capacitor has a surface charge density 80, Ask an Expert

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A parallel-plate capacitor has a surface charge density = 8.0 10-5 C/m2 and an electric field E = 2.7 106 V/m in the material between the plates.
(a) Express the dielectric constant in terms of E and .
d/0E
A/0E
/0E
0E/

(b) What is the value of the dielectric constant for the material between the plates?

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