Parallel Plates: Two Large, Flat, Horizontally Oriented Plates Are Parallel

question 29

Multiple Choice

Parallel plates: Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. Half way between the two plates the electric field has magnitude E. If the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

• A) 4E
• B) 2E
• C) E
• D) 0
• E) E/2

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