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

question 31

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 stored in the capacitor was U₀,how much energy does it now store?

• A) 4U₀
• B) 2U₀
• C) U₀
• D) U₀/2
• E) U₀/4

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Definitions:

Specific Alleles

Specific alleles refer to particular variants of a gene that can exist at a given locus on a chromosome, contributing to the diversity of traits within a population.

Genetic Disorders

Diseases or conditions caused by abnormalities in an individual's DNA, which can be inherited or result from mutations.

Transgenic Animals

Animals that have had foreign genes deliberately inserted into their genome.

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Plant, bacterial, or fungal cells with the cell wall removed, which can be used in various biological studies including the uptake of DNA during genetic engineering techniques.