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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A vein located in the forearm that is part of the venous system returning blood to the heart.

Forelimb

The front limbs of an animal, such as the arms in humans or the paws in quadrupeds, used for various activities like grasping, walking, or flying.

Saphenous Vein

A long vein that runs along the length of the leg, important for surgical procedures such as bypass operations and varicose vein treatment.

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A blood vessel situated at the back of the knee which transports blood from the lower leg to the femoral vein.