A Rod (Length = 2

question 49

Multiple Choice

A rod (length = 2.0 m) is uniformly charged and has a total charge of 40 nC. What is the magnitude of the electric field at a point which lies along the axis of the rod and is 3.0 m from the center of the rod?

• A) 40 N/C
• B) 45 N/C
• C) 24 N/C
• D) 90 N/C
• E) 36 N/C

---

Definitions:

Age Spots

Flat, brown, gray, or black spots on the skin, typically occurring in sun-exposed areas, associated with aging or sun damage.

Skin Cancer

A type of cancer that begins in the cells of the skin, often resulting from overexposure to UV radiation or other sources.

Color Change

A change in color that can indicate a variety of conditions or reactions in a biological context or material analysis.

Patch Test

A diagnostic tool used in dermatology to identify substances that cause allergic skin reactions by applying them in small patches on the skin.