Discussion
Consider the following statements about dielectrics.
1. The relative permittivity exceeds unity 2. The field inside is reduced 3. The bound charge can be conducted away
Answer: D
The first two are correct and closely related, the reduction of the interior field being precisely what a permittivity above one expresses. Bound charge is not free to move and cannot be drained away, which is what distinguishes it from the free charge on the electrodes.
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