Each 20-M Length of a Long Cylinder (Radius = 4

question 28

Multiple Choice

Each 2.0-m length of a long cylinder (radius = 4.0 mm) has a charge of 4.0 nC distributed uniformly throughout its volume. What is the magnitude of the electric field at a point 5.0 mm from the axis of the cylinder?

• A) 9.9 kN/C
• B) 8.1 kN/C
• C) 9.0 kN/C
• D) 7.2 kN/C
• E) 18 kN/C

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Definitions:

King Cotton Diplomacy

The Confederate strategy during the American Civil War to withhold cotton exports to coerce Britain and France into recognizing the Confederacy.

First Geneva Convention

A treaty signed in 1864 aiming to ensure the care of the wounded in wartime on land, establishing humanitarian rules of war.

Clara Barton

Known as the founder of the American Red Cross, she was a pioneering nurse who provided care in the Civil War and was instrumental in improving the medical care system.

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