Question: A 6.2-cm by 2.2-cm parallel plate capacitor has the plates separated by a distance of 2.0 mm. (a) When 4.0 1011 C of charge

A 6.2-cm by 2.2-cm parallel plate capacitor has the plates separated by a distance of 2.0 mm.
(a) When 4.0 × 10−11 C of charge is placed on this capacitor, what is the electric field between the plates?
(b) If a dielectric with dielectric constant of 5.5 is placed between the plates while the charge on the capacitor stays the same, what is the electric field in the dielectric?

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