An Air-Filled 20- $\mu \mathrm { F }$ Capacitor Has a Charge Of

question 76

Multiple Choice

An air-filled 20- $\mu \mathrm { F }$ capacitor has a charge of $60 \mu \mathrm { C }$ on its plates. How much energy is stored in this capacitor?

• A) \(110 \mu \mathrm { J }\)
• B) \(80 \mu \mathrm { J }\)
• C) \(70 \mu \mathrm { J }\)
• D) \(100 \mu \mathrm { J }\)
• E) \(90 \mu \mathrm { J }\)

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Definitions:

Simple Cuboidal

A type of epithelial tissue composed of a single layer of cube-shaped cells, often engaged in secretion and absorption.

Microvilli

Tiny, finger-like projections on the surface of some cells that increase their surface area for absorption.

Proximal Convoluted Tubule

The portion of the nephron in the kidney where the majority of the reabsorption of water, ions, and nutrients occurs.

Distal Convoluted Tubule

A portion of the nephron in the kidney where the final adjustments in urine composition are made, involving selective reabsorption and secretion.