Question: Figure shows a variable air gap capacitor for manual tuning. Alternate plates are connected together; one group of plates is fixed in position, and the

Figure shows a variable "air gap" capacitor for manual tuning. Alternate plates are connected together; one group of plates is fixed in position, and the other group is capable of rotation. Consider a capacitor of n = 8 plates of alternating polarity, each plate having area A = 1.25 cm2 and separated from adjacent plates by distance d = 3.40 mm. What is the maximum capacitance of the device?

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