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Gaokao Physics Practice Question

一平行板电容器两极板之间充满云母介质,接在恒压直流电源上。若将云母介质移出,则电容器

  1. A.极板上的电荷量变大,极板间电场强度变大
  2. B.极板上的电荷量变小,极板间电场强度变大
  3. C.极板上的电荷量变大,极板间电场强度不变
  4. D.极板上的电荷量变小,极板间电场强度不变

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