An Ideal Air-Filled Parallel-Plate Capacitor Has Round Plates and Carries

question 30

Multiple Choice

An ideal air-filled parallel-plate capacitor has round plates and carries a fixed amount of equal but opposite charge on its plates.All the geometric parameters of the capacitor (plate diameter and plate separation) are now DOUBLED.If the original energy density between the plates was u₀,what is the new energy density?

• A) 16u₀
• B) 4u₀
• C) u₀
• D) u₀/4
• E) u₀/16

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Definitions:

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Dislodged

Something that has been removed or forced out of its original position, often referring to a part of a machine or a piece of medical equipment.

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A condition where the breathing pattern is insufficient to meet the body's oxygen demand or to remove sufficient carbon dioxide, which can lead to respiratory distress or failure.

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A state of physical and/or mental exhaustion that reduces one's ability to perform tasks effectively.