Induced Electric Field in a Dielectric
A parallel-plate capacitor is connected to a battery that maintains a constant potential difference across its plates. When a dielectric with constant κ is inserted between the plates, which of the following correctly describes the induced electric field within the dielectric?
A
It points in the same direction as the original field
B
It points opposite to the original field and has magnitude (κ-1)E₀/κ
C
It points opposite to the original field and has magnitude E₀/κ
D
It points opposite to the original field and has magnitude E₀
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