APFIVE Electric Field in a Capacitor with Dielectric
A parallel-plate capacitor with plate area A and separation d is charged to Q and then disconnected from the battery. A dielectric slab with constant κ = 2.5 is then inserted to fill half the volume between the plates. What happens to the electric field between the plates in the region without the dielectric?
A
Decreases by a factor of 2.5
B
Remains unchanged
C
Increases by a factor of 1.75
D
Increases by a factor of 2.5
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