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Electricity and Magnetism

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Dielectric filled Capacitor at Constant Voltage

EANDM-WXRKIC

An air filled parallel plate capacitor is attached to a battery. With the battery connected, a slab of dielectric material with dielectric constant, $K > 1$, is inserted so that it fills the volume between the plates. Note that dielectric constant is also called relative permittivity; the terms are synonymous.

Which of the following properties associated with the capacitor change upon insertion of the dielectric?

Select ALL that apply.

A

The charge on the capacitor plates.

B

The value of the capacitance of the plates.

C

The voltage across the capacitor.

D

The electric field between the capacitor plates.

E

The energy stored in the capacitor.